Home / 657,474.73-907,306.30-367,090.75

Finding the Fourth Proportional to 657,474.73, 907,306.30 and 367,090.75

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Solution

The fourth proportional to 657,474.73, 907,306.30 and 367,090.75 is: 506,580.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,474.73 : 907,306.30 = 367,090.75 : x
  2. Step 2: Convert to fraction form
    657,474.73/907,306.30 = 367,090.75/x
  3. Step 3: Cross multiply
    657,474.73x = 907,306.30 × 367,090.75
  4. Step 4: Simplify right side
    657,474.73x = 333,063,750,146.73
  5. Step 5: Solve for x
    x = 333,063,750,146.73/657,474.73
  6. Step 6: Final answer
    x = 506,580.31

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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.