Home / 720,056.91-1,080,081.47-293,591.09

Finding the Fourth Proportional to 720,056.91, 1,080,081.47 and 293,591.09

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Solution

The fourth proportional to 720,056.91, 1,080,081.47 and 293,591.09 is: 440,385.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,056.91 : 1,080,081.47 = 293,591.09 : x
  2. Step 2: Convert to fraction form
    720,056.91/1,080,081.47 = 293,591.09/x
  3. Step 3: Cross multiply
    720,056.91x = 1,080,081.47 × 293,591.09
  4. Step 4: Simplify right side
    720,056.91x = 317,102,292,631.92
  5. Step 5: Solve for x
    x = 317,102,292,631.92/720,056.91
  6. Step 6: Final answer
    x = 440,385.04

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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.