Home / 526,614.12-790,363.56-227,320.80

Finding the Fourth Proportional to 526,614.12, 790,363.56 and 227,320.80

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Solution

The fourth proportional to 526,614.12, 790,363.56 and 227,320.80 is: 341,172.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,614.12 : 790,363.56 = 227,320.80 : x
  2. Step 2: Convert to fraction form
    526,614.12/790,363.56 = 227,320.80/x
  3. Step 3: Cross multiply
    526,614.12x = 790,363.56 × 227,320.80
  4. Step 4: Simplify right side
    526,614.12x = 179,666,076,750.05
  5. Step 5: Solve for x
    x = 179,666,076,750.05/526,614.12
  6. Step 6: Final answer
    x = 341,172.16

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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.