Home / 887,728.46-1,225,070.69-479,829.27

Finding the Fourth Proportional to 887,728.46, 1,225,070.69 and 479,829.27

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Solution

The fourth proportional to 887,728.46, 1,225,070.69 and 479,829.27 is: 662,167.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,728.46 : 1,225,070.69 = 479,829.27 : x
  2. Step 2: Convert to fraction form
    887,728.46/1,225,070.69 = 479,829.27/x
  3. Step 3: Cross multiply
    887,728.46x = 1,225,070.69 × 479,829.27
  4. Step 4: Simplify right side
    887,728.46x = 587,824,772,481.95
  5. Step 5: Solve for x
    x = 587,824,772,481.95/887,728.46
  6. Step 6: Final answer
    x = 662,167.32

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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.