Home / 727,154.29-1,003,514.30-436,854.66

Finding the Fourth Proportional to 727,154.29, 1,003,514.30 and 436,854.66

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Solution

The fourth proportional to 727,154.29, 1,003,514.30 and 436,854.66 is: 602,884.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,154.29 : 1,003,514.30 = 436,854.66 : x
  2. Step 2: Convert to fraction form
    727,154.29/1,003,514.30 = 436,854.66/x
  3. Step 3: Cross multiply
    727,154.29x = 1,003,514.30 × 436,854.66
  4. Step 4: Simplify right side
    727,154.29x = 438,389,898,331.64
  5. Step 5: Solve for x
    x = 438,389,898,331.64/727,154.29
  6. Step 6: Final answer
    x = 602,884.29

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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.