Home / 712,767.67-1,069,001.02-424,707.01

Finding the Fourth Proportional to 712,767.67, 1,069,001.02 and 424,707.01

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Solution

The fourth proportional to 712,767.67, 1,069,001.02 and 424,707.01 is: 636,970.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,767.67 : 1,069,001.02 = 424,707.01 : x
  2. Step 2: Convert to fraction form
    712,767.67/1,069,001.02 = 424,707.01/x
  3. Step 3: Cross multiply
    712,767.67x = 1,069,001.02 × 424,707.01
  4. Step 4: Simplify right side
    712,767.67x = 454,012,226,891.15
  5. Step 5: Solve for x
    x = 454,012,226,891.15/712,767.67
  6. Step 6: Final answer
    x = 636,970.85

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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.