Home / 747,911.52-1,032,117.84-408,380.04

Finding the Fourth Proportional to 747,911.52, 1,032,117.84 and 408,380.04

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Solution

The fourth proportional to 747,911.52, 1,032,117.84 and 408,380.04 is: 563,564.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,911.52 : 1,032,117.84 = 408,380.04 : x
  2. Step 2: Convert to fraction form
    747,911.52/1,032,117.84 = 408,380.04/x
  3. Step 3: Cross multiply
    747,911.52x = 1,032,117.84 × 408,380.04
  4. Step 4: Simplify right side
    747,911.52x = 421,496,324,783.91
  5. Step 5: Solve for x
    x = 421,496,324,783.91/747,911.52
  6. Step 6: Final answer
    x = 563,564.42

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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.