Home / 784,748.39-1,082,882.17-458,089.76

Finding the Fourth Proportional to 784,748.39, 1,082,882.17 and 458,089.76

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Solution

The fourth proportional to 784,748.39, 1,082,882.17 and 458,089.76 is: 632,122.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,748.39 : 1,082,882.17 = 458,089.76 : x
  2. Step 2: Convert to fraction form
    784,748.39/1,082,882.17 = 458,089.76/x
  3. Step 3: Cross multiply
    784,748.39x = 1,082,882.17 × 458,089.76
  4. Step 4: Simplify right side
    784,748.39x = 496,057,227,233.40
  5. Step 5: Solve for x
    x = 496,057,227,233.40/784,748.39
  6. Step 6: Final answer
    x = 632,122.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.