Home / 986,214.85-1,360,963.25-550,638.88

Finding the Fourth Proportional to 986,214.85, 1,360,963.25 and 550,638.88

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Solution

The fourth proportional to 986,214.85, 1,360,963.25 and 550,638.88 is: 759,874.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,214.85 : 1,360,963.25 = 550,638.88 : x
  2. Step 2: Convert to fraction form
    986,214.85/1,360,963.25 = 550,638.88/x
  3. Step 3: Cross multiply
    986,214.85x = 1,360,963.25 × 550,638.88
  4. Step 4: Simplify right side
    986,214.85x = 749,399,270,143.15
  5. Step 5: Solve for x
    x = 749,399,270,143.15/986,214.85
  6. Step 6: Final answer
    x = 759,874.25

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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.