Home / 864,684.60-1,193,284.62-542,408.28

Finding the Fourth Proportional to 864,684.60, 1,193,284.62 and 542,408.28

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Solution

The fourth proportional to 864,684.60, 1,193,284.62 and 542,408.28 is: 748,535.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,684.60 : 1,193,284.62 = 542,408.28 : x
  2. Step 2: Convert to fraction form
    864,684.60/1,193,284.62 = 542,408.28/x
  3. Step 3: Cross multiply
    864,684.60x = 1,193,284.62 × 542,408.28
  4. Step 4: Simplify right side
    864,684.60x = 647,247,458,284.65
  5. Step 5: Solve for x
    x = 647,247,458,284.65/864,684.60
  6. Step 6: Final answer
    x = 748,535.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.