Home / 720,057.07-1,080,081.71-293,591.25

Finding the Fourth Proportional to 720,057.07, 1,080,081.71 and 293,591.25

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Solution

The fourth proportional to 720,057.07, 1,080,081.71 and 293,591.25 is: 440,385.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,057.07 : 1,080,081.71 = 293,591.25 : x
  2. Step 2: Convert to fraction form
    720,057.07/1,080,081.71 = 293,591.25/x
  3. Step 3: Cross multiply
    720,057.07x = 1,080,081.71 × 293,591.25
  4. Step 4: Simplify right side
    720,057.07x = 317,102,532,472.67
  5. Step 5: Solve for x
    x = 317,102,532,472.67/720,057.07
  6. Step 6: Final answer
    x = 440,385.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.