Home / 903,441.28-1,248,213.39-768,897.04

Finding the Fourth Proportional to 903,441.28, 1,248,213.39 and 768,897.04

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Solution

The fourth proportional to 903,441.28, 1,248,213.39 and 768,897.04 is: 1,062,324.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,441.28 : 1,248,213.39 = 768,897.04 : x
  2. Step 2: Convert to fraction form
    903,441.28/1,248,213.39 = 768,897.04/x
  3. Step 3: Cross multiply
    903,441.28x = 1,248,213.39 × 768,897.04
  4. Step 4: Simplify right side
    903,441.28x = 959,747,570,773.81
  5. Step 5: Solve for x
    x = 959,747,570,773.81/903,441.28
  6. Step 6: Final answer
    x = 1,062,324.25

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.