Home / 750,410.18-1,035,561.29-406,243.59

Finding the Fourth Proportional to 750,410.18, 1,035,561.29 and 406,243.59

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Solution

The fourth proportional to 750,410.18, 1,035,561.29 and 406,243.59 is: 560,613.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,410.18 : 1,035,561.29 = 406,243.59 : x
  2. Step 2: Convert to fraction form
    750,410.18/1,035,561.29 = 406,243.59/x
  3. Step 3: Cross multiply
    750,410.18x = 1,035,561.29 × 406,243.59
  4. Step 4: Simplify right side
    750,410.18x = 420,690,134,083.41
  5. Step 5: Solve for x
    x = 420,690,134,083.41/750,410.18
  6. Step 6: Final answer
    x = 560,613.58

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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.