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Finding the Fourth Proportional to 636,575.04, 878,453.16 and 350,094.24

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Solution

The fourth proportional to 636,575.04, 878,453.16 and 350,094.24 is: 483,118.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,575.04 : 878,453.16 = 350,094.24 : x
  2. Step 2: Convert to fraction form
    636,575.04/878,453.16 = 350,094.24/x
  3. Step 3: Cross multiply
    636,575.04x = 878,453.16 × 350,094.24
  4. Step 4: Simplify right side
    636,575.04x = 307,541,391,425.80
  5. Step 5: Solve for x
    x = 307,541,391,425.80/636,575.04
  6. Step 6: Final answer
    x = 483,118.83

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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.