Home / 750,449.22-1,035,621.63-406,288.77

Finding the Fourth Proportional to 750,449.22, 1,035,621.63 and 406,288.77

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Solution

The fourth proportional to 750,449.22, 1,035,621.63 and 406,288.77 is: 560,679.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,449.22 : 1,035,621.63 = 406,288.77 : x
  2. Step 2: Convert to fraction form
    750,449.22/1,035,621.63 = 406,288.77/x
  3. Step 3: Cross multiply
    750,449.22x = 1,035,621.63 × 406,288.77
  4. Step 4: Simplify right side
    750,449.22x = 420,761,438,238.10
  5. Step 5: Solve for x
    x = 420,761,438,238.10/750,449.22
  6. Step 6: Final answer
    x = 560,679.43

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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.