Home / 729,112.50-1,094,154.75-280,204.02

Finding the Fourth Proportional to 729,112.50, 1,094,154.75 and 280,204.02

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Solution

The fourth proportional to 729,112.50, 1,094,154.75 and 280,204.02 is: 420,492.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,112.50 : 1,094,154.75 = 280,204.02 : x
  2. Step 2: Convert to fraction form
    729,112.50/1,094,154.75 = 280,204.02/x
  3. Step 3: Cross multiply
    729,112.50x = 1,094,154.75 × 280,204.02
  4. Step 4: Simplify right side
    729,112.50x = 306,586,559,452.10
  5. Step 5: Solve for x
    x = 306,586,559,452.10/729,112.50
  6. Step 6: Final answer
    x = 420,492.80

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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.