Home / 738,311.66-1,105,746.68-712,740.66

Finding the Fourth Proportional to 738,311.66, 1,105,746.68 and 712,740.66

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Solution

The fourth proportional to 738,311.66, 1,105,746.68 and 712,740.66 is: 1,067,449.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,311.66 : 1,105,746.68 = 712,740.66 : x
  2. Step 2: Convert to fraction form
    738,311.66/1,105,746.68 = 712,740.66/x
  3. Step 3: Cross multiply
    738,311.66x = 1,105,746.68 × 712,740.66
  4. Step 4: Simplify right side
    738,311.66x = 788,110,619,078.86
  5. Step 5: Solve for x
    x = 788,110,619,078.86/738,311.66
  6. Step 6: Final answer
    x = 1,067,449.79

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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.