Home / 476,375.20-657,373.04-282,790.96

Finding the Fourth Proportional to 476,375.20, 657,373.04 and 282,790.96

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Solution

The fourth proportional to 476,375.20, 657,373.04 and 282,790.96 is: 390,236.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,375.20 : 657,373.04 = 282,790.96 : x
  2. Step 2: Convert to fraction form
    476,375.20/657,373.04 = 282,790.96/x
  3. Step 3: Cross multiply
    476,375.20x = 657,373.04 × 282,790.96
  4. Step 4: Simplify right side
    476,375.20x = 185,899,153,059.72
  5. Step 5: Solve for x
    x = 185,899,153,059.72/476,375.20
  6. Step 6: Final answer
    x = 390,236.84

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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.