Home / 727,148.16-1,003,452.48-425,393.28

Finding the Fourth Proportional to 727,148.16, 1,003,452.48 and 425,393.28

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Solution

The fourth proportional to 727,148.16, 1,003,452.48 and 425,393.28 is: 587,035.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,148.16 : 1,003,452.48 = 425,393.28 : x
  2. Step 2: Convert to fraction form
    727,148.16/1,003,452.48 = 425,393.28/x
  3. Step 3: Cross multiply
    727,148.16x = 1,003,452.48 × 425,393.28
  4. Step 4: Simplify right side
    727,148.16x = 426,861,941,791.33
  5. Step 5: Solve for x
    x = 426,861,941,791.33/727,148.16
  6. Step 6: Final answer
    x = 587,035.72

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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.