Home / 743,885.16-1,115,932.85-238,327.89

Finding the Fourth Proportional to 743,885.16, 1,115,932.85 and 238,327.89

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Solution

The fourth proportional to 743,885.16, 1,115,932.85 and 238,327.89 is: 357,525.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,885.16 : 1,115,932.85 = 238,327.89 : x
  2. Step 2: Convert to fraction form
    743,885.16/1,115,932.85 = 238,327.89/x
  3. Step 3: Cross multiply
    743,885.16x = 1,115,932.85 × 238,327.89
  4. Step 4: Simplify right side
    743,885.16x = 265,957,920,330.55
  5. Step 5: Solve for x
    x = 265,957,920,330.55/743,885.16
  6. Step 6: Final answer
    x = 357,525.51

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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.