Home / 814,031.60-1,123,432.60-451,572.24

Finding the Fourth Proportional to 814,031.60, 1,123,432.60 and 451,572.24

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Solution

The fourth proportional to 814,031.60, 1,123,432.60 and 451,572.24 is: 623,207.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,031.60 : 1,123,432.60 = 451,572.24 : x
  2. Step 2: Convert to fraction form
    814,031.60/1,123,432.60 = 451,572.24/x
  3. Step 3: Cross multiply
    814,031.60x = 1,123,432.60 × 451,572.24
  4. Step 4: Simplify right side
    814,031.60x = 507,310,975,671.02
  5. Step 5: Solve for x
    x = 507,310,975,671.02/814,031.60
  6. Step 6: Final answer
    x = 623,207.96

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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.