Home / 672,867.27-1,008,469.80-577,426.59

Finding the Fourth Proportional to 672,867.27, 1,008,469.80 and 577,426.59

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Solution

The fourth proportional to 672,867.27, 1,008,469.80 and 577,426.59 is: 865,426.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,867.27 : 1,008,469.80 = 577,426.59 : x
  2. Step 2: Convert to fraction form
    672,867.27/1,008,469.80 = 577,426.59/x
  3. Step 3: Cross multiply
    672,867.27x = 1,008,469.80 × 577,426.59
  4. Step 4: Simplify right side
    672,867.27x = 582,317,269,802.50
  5. Step 5: Solve for x
    x = 582,317,269,802.50/672,867.27
  6. Step 6: Final answer
    x = 865,426.66

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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.