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Finding the Fourth Proportional to 461,535.60, 636,700.71 and 300,331.83

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Solution

The fourth proportional to 461,535.60, 636,700.71 and 300,331.83 is: 414,315.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,535.60 : 636,700.71 = 300,331.83 : x
  2. Step 2: Convert to fraction form
    461,535.60/636,700.71 = 300,331.83/x
  3. Step 3: Cross multiply
    461,535.60x = 636,700.71 × 300,331.83
  4. Step 4: Simplify right side
    461,535.60x = 191,221,489,396.60
  5. Step 5: Solve for x
    x = 191,221,489,396.60/461,535.60
  6. Step 6: Final answer
    x = 414,315.80

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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.