Home / 782,740.41-1,080,166.05-438,572.22

Finding the Fourth Proportional to 782,740.41, 1,080,166.05 and 438,572.22

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Solution

The fourth proportional to 782,740.41, 1,080,166.05 and 438,572.22 is: 605,220.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,740.41 : 1,080,166.05 = 438,572.22 : x
  2. Step 2: Convert to fraction form
    782,740.41/1,080,166.05 = 438,572.22/x
  3. Step 3: Cross multiply
    782,740.41x = 1,080,166.05 × 438,572.22
  4. Step 4: Simplify right side
    782,740.41x = 473,730,822,517.13
  5. Step 5: Solve for x
    x = 473,730,822,517.13/782,740.41
  6. Step 6: Final answer
    x = 605,220.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.