Home / 564,042.39-845,642.80-339,350.18

Finding the Fourth Proportional to 564,042.39, 845,642.80 and 339,350.18

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Solution

The fourth proportional to 564,042.39, 845,642.80 and 339,350.18 is: 508,772.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,042.39 : 845,642.80 = 339,350.18 : x
  2. Step 2: Convert to fraction form
    564,042.39/845,642.80 = 339,350.18/x
  3. Step 3: Cross multiply
    564,042.39x = 845,642.80 × 339,350.18
  4. Step 4: Simplify right side
    564,042.39x = 286,969,032,591.68
  5. Step 5: Solve for x
    x = 286,969,032,591.68/564,042.39
  6. Step 6: Final answer
    x = 508,772.11

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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.