Home / 750,438.72-1,035,598.25-406,265.83

Finding the Fourth Proportional to 750,438.72, 1,035,598.25 and 406,265.83

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Solution

The fourth proportional to 750,438.72, 1,035,598.25 and 406,265.83 is: 560,642.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,438.72 : 1,035,598.25 = 406,265.83 : x
  2. Step 2: Convert to fraction form
    750,438.72/1,035,598.25 = 406,265.83/x
  3. Step 3: Cross multiply
    750,438.72x = 1,035,598.25 × 406,265.83
  4. Step 4: Simplify right side
    750,438.72x = 420,728,180,551.47
  5. Step 5: Solve for x
    x = 420,728,180,551.47/750,438.72
  6. Step 6: Final answer
    x = 560,642.95

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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.