Home / 657,667.62-907,732.98-385,822.85

Finding the Fourth Proportional to 657,667.62, 907,732.98 and 385,822.85

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Solution

The fourth proportional to 657,667.62, 907,732.98 and 385,822.85 is: 532,524.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,667.62 : 907,732.98 = 385,822.85 : x
  2. Step 2: Convert to fraction form
    657,667.62/907,732.98 = 385,822.85/x
  3. Step 3: Cross multiply
    657,667.62x = 907,732.98 × 385,822.85
  4. Step 4: Simplify right side
    657,667.62x = 350,224,120,843.93
  5. Step 5: Solve for x
    x = 350,224,120,843.93/657,667.62
  6. Step 6: Final answer
    x = 532,524.50

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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.