Home / 844,731.20-1,165,725.60-462,781.76

Finding the Fourth Proportional to 844,731.20, 1,165,725.60 and 462,781.76

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Solution

The fourth proportional to 844,731.20, 1,165,725.60 and 462,781.76 is: 638,636.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,731.20 : 1,165,725.60 = 462,781.76 : x
  2. Step 2: Convert to fraction form
    844,731.20/1,165,725.60 = 462,781.76/x
  3. Step 3: Cross multiply
    844,731.20x = 1,165,725.60 × 462,781.76
  4. Step 4: Simplify right side
    844,731.20x = 539,476,544,845.06
  5. Step 5: Solve for x
    x = 539,476,544,845.06/844,731.20
  6. Step 6: Final answer
    x = 638,636.94

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1.5x scale

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.