Home / 864,563.78-1,193,351.40-502,150.55

Finding the Fourth Proportional to 864,563.78, 1,193,351.40 and 502,150.55

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Solution

The fourth proportional to 864,563.78, 1,193,351.40 and 502,150.55 is: 693,114.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,563.78 : 1,193,351.40 = 502,150.55 : x
  2. Step 2: Convert to fraction form
    864,563.78/1,193,351.40 = 502,150.55/x
  3. Step 3: Cross multiply
    864,563.78x = 1,193,351.40 × 502,150.55
  4. Step 4: Simplify right side
    864,563.78x = 599,242,061,853.27
  5. Step 5: Solve for x
    x = 599,242,061,853.27/864,563.78
  6. Step 6: Final answer
    x = 693,114.93

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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.