Home / 750,463.42-1,035,640.19-406,299.58

Finding the Fourth Proportional to 750,463.42, 1,035,640.19 and 406,299.58

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Solution

The fourth proportional to 750,463.42, 1,035,640.19 and 406,299.58 is: 560,693.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,463.42 : 1,035,640.19 = 406,299.58 : x
  2. Step 2: Convert to fraction form
    750,463.42/1,035,640.19 = 406,299.58/x
  3. Step 3: Cross multiply
    750,463.42x = 1,035,640.19 × 406,299.58
  4. Step 4: Simplify right side
    750,463.42x = 420,780,174,228.12
  5. Step 5: Solve for x
    x = 420,780,174,228.12/750,463.42
  6. Step 6: Final answer
    x = 560,693.78

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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.