Home / 494,565.68-741,897.32-139,582.76

Finding the Fourth Proportional to 494,565.68, 741,897.32 and 139,582.76

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Solution

The fourth proportional to 494,565.68, 741,897.32 and 139,582.76 is: 209,387.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,565.68 : 741,897.32 = 139,582.76 : x
  2. Step 2: Convert to fraction form
    494,565.68/741,897.32 = 139,582.76/x
  3. Step 3: Cross multiply
    494,565.68x = 741,897.32 × 139,582.76
  4. Step 4: Simplify right side
    494,565.68x = 103,556,075,562.20
  5. Step 5: Solve for x
    x = 103,556,075,562.20/494,565.68
  6. Step 6: Final answer
    x = 209,387.91

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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.