Home / 687,042.89-1,030,635.06-237,763.04

Finding the Fourth Proportional to 687,042.89, 1,030,635.06 and 237,763.04

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Solution

The fourth proportional to 687,042.89, 1,030,635.06 and 237,763.04 is: 356,669.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,042.89 : 1,030,635.06 = 237,763.04 : x
  2. Step 2: Convert to fraction form
    687,042.89/1,030,635.06 = 237,763.04/x
  3. Step 3: Cross multiply
    687,042.89x = 1,030,635.06 × 237,763.04
  4. Step 4: Simplify right side
    687,042.89x = 245,046,924,996.18
  5. Step 5: Solve for x
    x = 245,046,924,996.18/687,042.89
  6. Step 6: Final answer
    x = 356,669.04

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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.