Home / 659,824.95-990,235.01-482,788.71

Finding the Fourth Proportional to 659,824.95, 990,235.01 and 482,788.71

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Solution

The fourth proportional to 659,824.95, 990,235.01 and 482,788.71 is: 724,547.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,824.95 : 990,235.01 = 482,788.71 : x
  2. Step 2: Convert to fraction form
    659,824.95/990,235.01 = 482,788.71/x
  3. Step 3: Cross multiply
    659,824.95x = 990,235.01 × 482,788.71
  4. Step 4: Simplify right side
    659,824.95x = 478,074,280,660.79
  5. Step 5: Solve for x
    x = 478,074,280,660.79/659,824.95
  6. Step 6: Final answer
    x = 724,547.14

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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.