Home / 692,581.79-1,039,201.65-479,677.34

Finding the Fourth Proportional to 692,581.79, 1,039,201.65 and 479,677.34

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Solution

The fourth proportional to 692,581.79, 1,039,201.65 and 479,677.34 is: 719,743.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,581.79 : 1,039,201.65 = 479,677.34 : x
  2. Step 2: Convert to fraction form
    692,581.79/1,039,201.65 = 479,677.34/x
  3. Step 3: Cross multiply
    692,581.79x = 1,039,201.65 × 479,677.34
  4. Step 4: Simplify right side
    692,581.79x = 498,481,485,793.62
  5. Step 5: Solve for x
    x = 498,481,485,793.62/692,581.79
  6. Step 6: Final answer
    x = 719,743.85

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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.