Home / 867,489.85-1,196,296.14-676,433.53

Finding the Fourth Proportional to 867,489.85, 1,196,296.14 and 676,433.53

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Solution

The fourth proportional to 867,489.85, 1,196,296.14 and 676,433.53 is: 932,823.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,489.85 : 1,196,296.14 = 676,433.53 : x
  2. Step 2: Convert to fraction form
    867,489.85/1,196,296.14 = 676,433.53/x
  3. Step 3: Cross multiply
    867,489.85x = 1,196,296.14 × 676,433.53
  4. Step 4: Simplify right side
    867,489.85x = 809,214,820,905.57
  5. Step 5: Solve for x
    x = 809,214,820,905.57/867,489.85
  6. Step 6: Final answer
    x = 932,823.39

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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.