Home / 702,952.45-1,053,651.08-387,635.65

Finding the Fourth Proportional to 702,952.45, 1,053,651.08 and 387,635.65

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Solution

The fourth proportional to 702,952.45, 1,053,651.08 and 387,635.65 is: 581,024.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,952.45 : 1,053,651.08 = 387,635.65 : x
  2. Step 2: Convert to fraction form
    702,952.45/1,053,651.08 = 387,635.65/x
  3. Step 3: Cross multiply
    702,952.45x = 1,053,651.08 × 387,635.65
  4. Step 4: Simplify right side
    702,952.45x = 408,432,719,330.82
  5. Step 5: Solve for x
    x = 408,432,719,330.82/702,952.45
  6. Step 6: Final answer
    x = 581,024.68

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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.