Home / 476,327.96-657,308.10-282,743.83

Finding the Fourth Proportional to 476,327.96, 657,308.10 and 282,743.83

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Solution

The fourth proportional to 476,327.96, 657,308.10 and 282,743.83 is: 390,171.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,327.96 : 657,308.10 = 282,743.83 : x
  2. Step 2: Convert to fraction form
    476,327.96/657,308.10 = 282,743.83/x
  3. Step 3: Cross multiply
    476,327.96x = 657,308.10 × 282,743.83
  4. Step 4: Simplify right side
    476,327.96x = 185,849,808,040.75
  5. Step 5: Solve for x
    x = 185,849,808,040.75/476,327.96
  6. Step 6: Final answer
    x = 390,171.95

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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.