Home / 887,772.72-1,225,126.39-479,873.22

Finding the Fourth Proportional to 887,772.72, 1,225,126.39 and 479,873.22

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Solution

The fourth proportional to 887,772.72, 1,225,126.39 and 479,873.22 is: 662,225.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,772.72 : 1,225,126.39 = 479,873.22 : x
  2. Step 2: Convert to fraction form
    887,772.72/1,225,126.39 = 479,873.22/x
  3. Step 3: Cross multiply
    887,772.72x = 1,225,126.39 × 479,873.22
  4. Step 4: Simplify right side
    887,772.72x = 587,905,345,676.28
  5. Step 5: Solve for x
    x = 587,905,345,676.28/887,772.72
  6. Step 6: Final answer
    x = 662,225.07

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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.