Home / 476,374.20-657,371.66-282,789.96

Finding the Fourth Proportional to 476,374.20, 657,371.66 and 282,789.96

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Solution

The fourth proportional to 476,374.20, 657,371.66 and 282,789.96 is: 390,235.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,374.20 : 657,371.66 = 282,789.96 : x
  2. Step 2: Convert to fraction form
    476,374.20/657,371.66 = 282,789.96/x
  3. Step 3: Cross multiply
    476,374.20x = 657,371.66 × 282,789.96
  4. Step 4: Simplify right side
    476,374.20x = 185,898,105,436.53
  5. Step 5: Solve for x
    x = 185,898,105,436.53/476,374.20
  6. Step 6: Final answer
    x = 390,235.46

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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.