Home / 750,862.29-1,036,181.72-406,689.66

Finding the Fourth Proportional to 750,862.29, 1,036,181.72 and 406,689.66

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Solution

The fourth proportional to 750,862.29, 1,036,181.72 and 406,689.66 is: 561,227.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,862.29 : 1,036,181.72 = 406,689.66 : x
  2. Step 2: Convert to fraction form
    750,862.29/1,036,181.72 = 406,689.66/x
  3. Step 3: Cross multiply
    750,862.29x = 1,036,181.72 × 406,689.66
  4. Step 4: Simplify right side
    750,862.29x = 421,404,389,371.57
  5. Step 5: Solve for x
    x = 421,404,389,371.57/750,862.29
  6. Step 6: Final answer
    x = 561,227.26

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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.