Home / 750,677.13-1,036,008.95-428,436.04

Finding the Fourth Proportional to 750,677.13, 1,036,008.95 and 428,436.04

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Solution

The fourth proportional to 750,677.13, 1,036,008.95 and 428,436.04 is: 591,284.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,677.13 : 1,036,008.95 = 428,436.04 : x
  2. Step 2: Convert to fraction form
    750,677.13/1,036,008.95 = 428,436.04/x
  3. Step 3: Cross multiply
    750,677.13x = 1,036,008.95 × 428,436.04
  4. Step 4: Simplify right side
    750,677.13x = 443,863,571,942.56
  5. Step 5: Solve for x
    x = 443,863,571,942.56/750,677.13
  6. Step 6: Final answer
    x = 591,284.26

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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.