Home / 658,262.13-908,401.73-356,456.13

Finding the Fourth Proportional to 658,262.13, 908,401.73 and 356,456.13

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Solution

The fourth proportional to 658,262.13, 908,401.73 and 356,456.13 is: 491,909.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,262.13 : 908,401.73 = 356,456.13 : x
  2. Step 2: Convert to fraction form
    658,262.13/908,401.73 = 356,456.13/x
  3. Step 3: Cross multiply
    658,262.13x = 908,401.73 × 356,456.13
  4. Step 4: Simplify right side
    658,262.13x = 323,805,365,161.11
  5. Step 5: Solve for x
    x = 323,805,365,161.11/658,262.13
  6. Step 6: Final answer
    x = 491,909.45

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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.