Home / 729,182.57-1,092,199.21-711,336.65

Finding the Fourth Proportional to 729,182.57, 1,092,199.21 and 711,336.65

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Solution

The fourth proportional to 729,182.57, 1,092,199.21 and 711,336.65 is: 1,065,468.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,182.57 : 1,092,199.21 = 711,336.65 : x
  2. Step 2: Convert to fraction form
    729,182.57/1,092,199.21 = 711,336.65/x
  3. Step 3: Cross multiply
    729,182.57x = 1,092,199.21 × 711,336.65
  4. Step 4: Simplify right side
    729,182.57x = 776,921,319,934.71
  5. Step 5: Solve for x
    x = 776,921,319,934.71/729,182.57
  6. Step 6: Final answer
    x = 1,065,468.87

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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.