Home / 750,449.72-1,035,622.32-406,289.28

Finding the Fourth Proportional to 750,449.72, 1,035,622.32 and 406,289.28

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Solution

The fourth proportional to 750,449.72, 1,035,622.32 and 406,289.28 is: 560,680.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,449.72 : 1,035,622.32 = 406,289.28 : x
  2. Step 2: Convert to fraction form
    750,449.72/1,035,622.32 = 406,289.28/x
  3. Step 3: Cross multiply
    750,449.72x = 1,035,622.32 × 406,289.28
  4. Step 4: Simplify right side
    750,449.72x = 420,762,246,744.73
  5. Step 5: Solve for x
    x = 420,762,246,744.73/750,449.72
  6. Step 6: Final answer
    x = 560,680.13

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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.