Home / 708,903.30-1,064,132.55-442,964.10

Finding the Fourth Proportional to 708,903.30, 1,064,132.55 and 442,964.10

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Solution

The fourth proportional to 708,903.30, 1,064,132.55 and 442,964.10 is: 664,932.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,903.30 : 1,064,132.55 = 442,964.10 : x
  2. Step 2: Convert to fraction form
    708,903.30/1,064,132.55 = 442,964.10/x
  3. Step 3: Cross multiply
    708,903.30x = 1,064,132.55 × 442,964.10
  4. Step 4: Simplify right side
    708,903.30x = 471,372,517,291.46
  5. Step 5: Solve for x
    x = 471,372,517,291.46/708,903.30
  6. Step 6: Final answer
    x = 664,932.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.