Home / 476,480.72-657,295.20-385,938.92

Finding the Fourth Proportional to 476,480.72, 657,295.20 and 385,938.92

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Solution

The fourth proportional to 476,480.72, 657,295.20 and 385,938.92 is: 532,394.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,480.72 : 657,295.20 = 385,938.92 : x
  2. Step 2: Convert to fraction form
    476,480.72/657,295.20 = 385,938.92/x
  3. Step 3: Cross multiply
    476,480.72x = 657,295.20 × 385,938.92
  4. Step 4: Simplify right side
    476,480.72x = 253,675,799,609.18
  5. Step 5: Solve for x
    x = 253,675,799,609.18/476,480.72
  6. Step 6: Final answer
    x = 532,394.68

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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.