Home / 778,393.60-1,165,315.68-703,685.76

Finding the Fourth Proportional to 778,393.60, 1,165,315.68 and 703,685.76

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Solution

The fourth proportional to 778,393.60, 1,165,315.68 and 703,685.76 is: 1,053,472.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,393.60 : 1,165,315.68 = 703,685.76 : x
  2. Step 2: Convert to fraction form
    778,393.60/1,165,315.68 = 703,685.76/x
  3. Step 3: Cross multiply
    778,393.60x = 1,165,315.68 × 703,685.76
  4. Step 4: Simplify right side
    778,393.60x = 820,016,049,920.72
  5. Step 5: Solve for x
    x = 820,016,049,920.72/778,393.60
  6. Step 6: Final answer
    x = 1,053,472.24

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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.