Home / 671,636.70-1,007,455.05-250,890.30

Finding the Fourth Proportional to 671,636.70, 1,007,455.05 and 250,890.30

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Solution

The fourth proportional to 671,636.70, 1,007,455.05 and 250,890.30 is: 376,335.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,636.70 : 1,007,455.05 = 250,890.30 : x
  2. Step 2: Convert to fraction form
    671,636.70/1,007,455.05 = 250,890.30/x
  3. Step 3: Cross multiply
    671,636.70x = 1,007,455.05 × 250,890.30
  4. Step 4: Simplify right side
    671,636.70x = 252,760,699,731.02
  5. Step 5: Solve for x
    x = 252,760,699,731.02/671,636.70
  6. Step 6: Final answer
    x = 376,335.45

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Half scale
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Double scale
Find fourth proportional to 671,637.70, 1,007,456.55 and 250,891.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.