Home / 903,259.31-1,354,889.55-229,391.15

Finding the Fourth Proportional to 903,259.31, 1,354,889.55 and 229,391.15

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Solution

The fourth proportional to 903,259.31, 1,354,889.55 and 229,391.15 is: 344,086.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,259.31 : 1,354,889.55 = 229,391.15 : x
  2. Step 2: Convert to fraction form
    903,259.31/1,354,889.55 = 229,391.15/x
  3. Step 3: Cross multiply
    903,259.31x = 1,354,889.55 × 229,391.15
  4. Step 4: Simplify right side
    903,259.31x = 310,799,671,997.48
  5. Step 5: Solve for x
    x = 310,799,671,997.48/903,259.31
  6. Step 6: Final answer
    x = 344,086.87

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Double scale
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Similar ratio
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1.5x scale

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.