Home / 903,670.40-1,355,505.60-272,502.20

Finding the Fourth Proportional to 903,670.40, 1,355,505.60 and 272,502.20

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Solution

The fourth proportional to 903,670.40, 1,355,505.60 and 272,502.20 is: 408,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,670.40 : 1,355,505.60 = 272,502.20 : x
  2. Step 2: Convert to fraction form
    903,670.40/1,355,505.60 = 272,502.20/x
  3. Step 3: Cross multiply
    903,670.40x = 1,355,505.60 × 272,502.20
  4. Step 4: Simplify right side
    903,670.40x = 369,378,258,112.32
  5. Step 5: Solve for x
    x = 369,378,258,112.32/903,670.40
  6. Step 6: Final answer
    x = 408,753.30

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Similar ratio
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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.