Home / 657,468.78-907,298.07-367,084.79

Finding the Fourth Proportional to 657,468.78, 907,298.07 and 367,084.79

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Solution

The fourth proportional to 657,468.78, 907,298.07 and 367,084.79 is: 506,572.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,468.78 : 907,298.07 = 367,084.79 : x
  2. Step 2: Convert to fraction form
    657,468.78/907,298.07 = 367,084.79/x
  3. Step 3: Cross multiply
    657,468.78x = 907,298.07 × 367,084.79
  4. Step 4: Simplify right side
    657,468.78x = 333,055,321,592.32
  5. Step 5: Solve for x
    x = 333,055,321,592.32/657,468.78
  6. Step 6: Final answer
    x = 506,572.07

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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.