Home / 673,781.20-1,010,671.80-274,216.30

Finding the Fourth Proportional to 673,781.20, 1,010,671.80 and 274,216.30

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Solution

The fourth proportional to 673,781.20, 1,010,671.80 and 274,216.30 is: 411,324.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,781.20 : 1,010,671.80 = 274,216.30 : x
  2. Step 2: Convert to fraction form
    673,781.20/1,010,671.80 = 274,216.30/x
  3. Step 3: Cross multiply
    673,781.20x = 1,010,671.80 × 274,216.30
  4. Step 4: Simplify right side
    673,781.20x = 277,142,681,510.34
  5. Step 5: Solve for x
    x = 277,142,681,510.34/673,781.20
  6. Step 6: Final answer
    x = 411,324.45

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Double scale
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Similar ratio
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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.