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Finding the Fourth Proportional to 636,673.80, 955,452.30 and 479,233.80

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Solution

The fourth proportional to 636,673.80, 955,452.30 and 479,233.80 is: 719,183.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,673.80 : 955,452.30 = 479,233.80 : x
  2. Step 2: Convert to fraction form
    636,673.80/955,452.30 = 479,233.80/x
  3. Step 3: Cross multiply
    636,673.80x = 955,452.30 × 479,233.80
  4. Step 4: Simplify right side
    636,673.80x = 457,885,036,447.74
  5. Step 5: Solve for x
    x = 457,885,036,447.74/636,673.80
  6. Step 6: Final answer
    x = 719,183.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.