Home / 671,870.40-1,007,805.60-251,091.60

Finding the Fourth Proportional to 671,870.40, 1,007,805.60 and 251,091.60

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Solution

The fourth proportional to 671,870.40, 1,007,805.60 and 251,091.60 is: 376,637.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,870.40 : 1,007,805.60 = 251,091.60 : x
  2. Step 2: Convert to fraction form
    671,870.40/1,007,805.60 = 251,091.60/x
  3. Step 3: Cross multiply
    671,870.40x = 1,007,805.60 × 251,091.60
  4. Step 4: Simplify right side
    671,870.40x = 253,051,520,592.96
  5. Step 5: Solve for x
    x = 253,051,520,592.96/671,870.40
  6. Step 6: Final answer
    x = 376,637.40

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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.