Home / 442,900.20-664,350.30-435,124.20

Finding the Fourth Proportional to 442,900.20, 664,350.30 and 435,124.20

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Solution

The fourth proportional to 442,900.20, 664,350.30 and 435,124.20 is: 652,686.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,900.20 : 664,350.30 = 435,124.20 : x
  2. Step 2: Convert to fraction form
    442,900.20/664,350.30 = 435,124.20/x
  3. Step 3: Cross multiply
    442,900.20x = 664,350.30 × 435,124.20
  4. Step 4: Simplify right side
    442,900.20x = 289,074,892,807.26
  5. Step 5: Solve for x
    x = 289,074,892,807.26/442,900.20
  6. Step 6: Final answer
    x = 652,686.30

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Similar ratio
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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.