Home / 887,052.45-1,224,132.21-479,154.32

Finding the Fourth Proportional to 887,052.45, 1,224,132.21 and 479,154.32

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Solution

The fourth proportional to 887,052.45, 1,224,132.21 and 479,154.32 is: 661,232.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,052.45 : 1,224,132.21 = 479,154.32 : x
  2. Step 2: Convert to fraction form
    887,052.45/1,224,132.21 = 479,154.32/x
  3. Step 3: Cross multiply
    887,052.45x = 1,224,132.21 × 479,154.32
  4. Step 4: Simplify right side
    887,052.45x = 586,548,232,348.82
  5. Step 5: Solve for x
    x = 586,548,232,348.82/887,052.45
  6. Step 6: Final answer
    x = 661,232.86

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Double scale
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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.