Home / 749,942.28-1,034,919.68-423,324.06

Finding the Fourth Proportional to 749,942.28, 1,034,919.68 and 423,324.06

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Solution

The fourth proportional to 749,942.28, 1,034,919.68 and 423,324.06 is: 584,186.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,942.28 : 1,034,919.68 = 423,324.06 : x
  2. Step 2: Convert to fraction form
    749,942.28/1,034,919.68 = 423,324.06/x
  3. Step 3: Cross multiply
    749,942.28x = 1,034,919.68 × 423,324.06
  4. Step 4: Simplify right side
    749,942.28x = 438,106,400,711.50
  5. Step 5: Solve for x
    x = 438,106,400,711.50/749,942.28
  6. Step 6: Final answer
    x = 584,186.83

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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.