Home / 750,675.13-1,036,006.19-428,434.04

Finding the Fourth Proportional to 750,675.13, 1,036,006.19 and 428,434.04

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Solution

The fourth proportional to 750,675.13, 1,036,006.19 and 428,434.04 is: 591,281.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,675.13 : 1,036,006.19 = 428,434.04 : x
  2. Step 2: Convert to fraction form
    750,675.13/1,036,006.19 = 428,434.04/x
  3. Step 3: Cross multiply
    750,675.13x = 1,036,006.19 × 428,434.04
  4. Step 4: Simplify right side
    750,675.13x = 443,860,315,304.54
  5. Step 5: Solve for x
    x = 443,860,315,304.54/750,675.13
  6. Step 6: Final answer
    x = 591,281.50

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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.