Home / 745,652.97-1,029,000.92-406,121.22

Finding the Fourth Proportional to 745,652.97, 1,029,000.92 and 406,121.22

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Solution

The fourth proportional to 745,652.97, 1,029,000.92 and 406,121.22 is: 560,447.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,652.97 : 1,029,000.92 = 406,121.22 : x
  2. Step 2: Convert to fraction form
    745,652.97/1,029,000.92 = 406,121.22/x
  3. Step 3: Cross multiply
    745,652.97x = 1,029,000.92 × 406,121.22
  4. Step 4: Simplify right side
    745,652.97x = 417,899,106,980.92
  5. Step 5: Solve for x
    x = 417,899,106,980.92/745,652.97
  6. Step 6: Final answer
    x = 560,447.18

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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.