Home / 636,836.85-955,255.09-436,550.02

Finding the Fourth Proportional to 636,836.85, 955,255.09 and 436,550.02

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Solution

The fourth proportional to 636,836.85, 955,255.09 and 436,550.02 is: 654,824.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,836.85 : 955,255.09 = 436,550.02 : x
  2. Step 2: Convert to fraction form
    636,836.85/955,255.09 = 436,550.02/x
  3. Step 3: Cross multiply
    636,836.85x = 955,255.09 × 436,550.02
  4. Step 4: Simplify right side
    636,836.85x = 417,016,626,461.85
  5. Step 5: Solve for x
    x = 417,016,626,461.85/636,836.85
  6. Step 6: Final answer
    x = 654,824.90

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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.