Home / 938,500.69-1,295,141.15-551,332.43

Finding the Fourth Proportional to 938,500.69, 1,295,141.15 and 551,332.43

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Solution

The fourth proportional to 938,500.69, 1,295,141.15 and 551,332.43 is: 760,844.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,500.69 : 1,295,141.15 = 551,332.43 : x
  2. Step 2: Convert to fraction form
    938,500.69/1,295,141.15 = 551,332.43/x
  3. Step 3: Cross multiply
    938,500.69x = 1,295,141.15 × 551,332.43
  4. Step 4: Simplify right side
    938,500.69x = 714,053,317,422.50
  5. Step 5: Solve for x
    x = 714,053,317,422.50/938,500.69
  6. Step 6: Final answer
    x = 760,844.74

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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.