Home / 708,904.80-1,064,134.80-442,965.60

Finding the Fourth Proportional to 708,904.80, 1,064,134.80 and 442,965.60

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Solution

The fourth proportional to 708,904.80, 1,064,134.80 and 442,965.60 is: 664,934.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,904.80 : 1,064,134.80 = 442,965.60 : x
  2. Step 2: Convert to fraction form
    708,904.80/1,064,134.80 = 442,965.60/x
  3. Step 3: Cross multiply
    708,904.80x = 1,064,134.80 × 442,965.60
  4. Step 4: Simplify right side
    708,904.80x = 471,375,110,162.88
  5. Step 5: Solve for x
    x = 471,375,110,162.88/708,904.80
  6. Step 6: Final answer
    x = 664,934.29

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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.