Home / 453,330.60-679,995.90-272,927.40

Finding the Fourth Proportional to 453,330.60, 679,995.90 and 272,927.40

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Solution

The fourth proportional to 453,330.60, 679,995.90 and 272,927.40 is: 409,391.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,330.60 : 679,995.90 = 272,927.40 : x
  2. Step 2: Convert to fraction form
    453,330.60/679,995.90 = 272,927.40/x
  3. Step 3: Cross multiply
    453,330.60x = 679,995.90 × 272,927.40
  4. Step 4: Simplify right side
    453,330.60x = 185,589,512,997.66
  5. Step 5: Solve for x
    x = 185,589,512,997.66/453,330.60
  6. Step 6: Final answer
    x = 409,391.10

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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.