Home / 762,652.90-1,143,985.86-194,034.58

Finding the Fourth Proportional to 762,652.90, 1,143,985.86 and 194,034.58

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Solution

The fourth proportional to 762,652.90, 1,143,985.86 and 194,034.58 is: 291,053.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,652.90 : 1,143,985.86 = 194,034.58 : x
  2. Step 2: Convert to fraction form
    762,652.90/1,143,985.86 = 194,034.58/x
  3. Step 3: Cross multiply
    762,652.90x = 1,143,985.86 × 194,034.58
  4. Step 4: Simplify right side
    762,652.90x = 221,972,815,871.04
  5. Step 5: Solve for x
    x = 221,972,815,871.04/762,652.90
  6. Step 6: Final answer
    x = 291,053.53

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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.