Home / 745,884.06-1,029,320.10-406,351.50

Finding the Fourth Proportional to 745,884.06, 1,029,320.10 and 406,351.50

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Solution

The fourth proportional to 745,884.06, 1,029,320.10 and 406,351.50 is: 560,765.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,884.06 : 1,029,320.10 = 406,351.50 : x
  2. Step 2: Convert to fraction form
    745,884.06/1,029,320.10 = 406,351.50/x
  3. Step 3: Cross multiply
    745,884.06x = 1,029,320.10 × 406,351.50
  4. Step 4: Simplify right side
    745,884.06x = 418,265,766,615.15
  5. Step 5: Solve for x
    x = 418,265,766,615.15/745,884.06
  6. Step 6: Final answer
    x = 560,765.12

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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.