Home / 629,947.20-944,920.80-452,800.20

Finding the Fourth Proportional to 629,947.20, 944,920.80 and 452,800.20

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Solution

The fourth proportional to 629,947.20, 944,920.80 and 452,800.20 is: 679,200.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,947.20 : 944,920.80 = 452,800.20 : x
  2. Step 2: Convert to fraction form
    629,947.20/944,920.80 = 452,800.20/x
  3. Step 3: Cross multiply
    629,947.20x = 944,920.80 × 452,800.20
  4. Step 4: Simplify right side
    629,947.20x = 427,860,327,224.16
  5. Step 5: Solve for x
    x = 427,860,327,224.16/629,947.20
  6. Step 6: Final answer
    x = 679,200.30

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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.