Home / 914,997.78-1,372,823.36-555,901.20

Finding the Fourth Proportional to 914,997.78, 1,372,823.36 and 555,901.20

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Solution

The fourth proportional to 914,997.78, 1,372,823.36 and 555,901.20 is: 834,050.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,997.78 : 1,372,823.36 = 555,901.20 : x
  2. Step 2: Convert to fraction form
    914,997.78/1,372,823.36 = 555,901.20/x
  3. Step 3: Cross multiply
    914,997.78x = 1,372,823.36 × 555,901.20
  4. Step 4: Simplify right side
    914,997.78x = 763,154,150,432.53
  5. Step 5: Solve for x
    x = 763,154,150,432.53/914,997.78
  6. Step 6: Final answer
    x = 834,050.28

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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.