Home / 724,440.80-1,085,624.40-502,565.60

Finding the Fourth Proportional to 724,440.80, 1,085,624.40 and 502,565.60

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Solution

The fourth proportional to 724,440.80, 1,085,624.40 and 502,565.60 is: 753,129.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,440.80 : 1,085,624.40 = 502,565.60 : x
  2. Step 2: Convert to fraction form
    724,440.80/1,085,624.40 = 502,565.60/x
  3. Step 3: Cross multiply
    724,440.80x = 1,085,624.40 × 502,565.60
  4. Step 4: Simplify right side
    724,440.80x = 545,597,477,960.64
  5. Step 5: Solve for x
    x = 545,597,477,960.64/724,440.80
  6. Step 6: Final answer
    x = 753,129.14

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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.