Home / 659,827.20-990,238.38-482,790.96

Finding the Fourth Proportional to 659,827.20, 990,238.38 and 482,790.96

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Solution

The fourth proportional to 659,827.20, 990,238.38 and 482,790.96 is: 724,550.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,827.20 : 990,238.38 = 482,790.96 : x
  2. Step 2: Convert to fraction form
    659,827.20/990,238.38 = 482,790.96/x
  3. Step 3: Cross multiply
    659,827.20x = 990,238.38 × 482,790.96
  4. Step 4: Simplify right side
    659,827.20x = 478,078,138,109.05
  5. Step 5: Solve for x
    x = 478,078,138,109.05/659,827.20
  6. Step 6: Final answer
    x = 724,550.52

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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.