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Finding the Fourth Proportional to 629,813.60, 944,720.40 and 574,701.20

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Solution

The fourth proportional to 629,813.60, 944,720.40 and 574,701.20 is: 862,051.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,813.60 : 944,720.40 = 574,701.20 : x
  2. Step 2: Convert to fraction form
    629,813.60/944,720.40 = 574,701.20/x
  3. Step 3: Cross multiply
    629,813.60x = 944,720.40 × 574,701.20
  4. Step 4: Simplify right side
    629,813.60x = 542,931,947,544.48
  5. Step 5: Solve for x
    x = 542,931,947,544.48/629,813.60
  6. Step 6: Final answer
    x = 862,051.80

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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.