Home / 772,742.90-1,158,823.18-323,494.83

Finding the Fourth Proportional to 772,742.90, 1,158,823.18 and 323,494.83

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Solution

The fourth proportional to 772,742.90, 1,158,823.18 and 323,494.83 is: 485,120.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,742.90 : 1,158,823.18 = 323,494.83 : x
  2. Step 2: Convert to fraction form
    772,742.90/1,158,823.18 = 323,494.83/x
  3. Step 3: Cross multiply
    772,742.90x = 1,158,823.18 × 323,494.83
  4. Step 4: Simplify right side
    772,742.90x = 374,873,304,039.57
  5. Step 5: Solve for x
    x = 374,873,304,039.57/772,742.90
  6. Step 6: Final answer
    x = 485,120.35

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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.