Home / 750,708.59-1,036,077.63-428,344.79

Finding the Fourth Proportional to 750,708.59, 1,036,077.63 and 428,344.79

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Solution

The fourth proportional to 750,708.59, 1,036,077.63 and 428,344.79 is: 591,172.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,708.59 : 1,036,077.63 = 428,344.79 : x
  2. Step 2: Convert to fraction form
    750,708.59/1,036,077.63 = 428,344.79/x
  3. Step 3: Cross multiply
    750,708.59x = 1,036,077.63 × 428,344.79
  4. Step 4: Simplify right side
    750,708.59x = 443,798,454,846.05
  5. Step 5: Solve for x
    x = 443,798,454,846.05/750,708.59
  6. Step 6: Final answer
    x = 591,172.74

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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.