Home / 487,932.89-732,736.87-299,499.75

Finding the Fourth Proportional to 487,932.89, 732,736.87 and 299,499.75

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Solution

The fourth proportional to 487,932.89, 732,736.87 and 299,499.75 is: 449,763.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,932.89 : 732,736.87 = 299,499.75 : x
  2. Step 2: Convert to fraction form
    487,932.89/732,736.87 = 299,499.75/x
  3. Step 3: Cross multiply
    487,932.89x = 732,736.87 × 299,499.75
  4. Step 4: Simplify right side
    487,932.89x = 219,454,508,632.03
  5. Step 5: Solve for x
    x = 219,454,508,632.03/487,932.89
  6. Step 6: Final answer
    x = 449,763.72

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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.