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Finding the Fourth Proportional to 553,695.30, 830,542.95 and 301,096.80

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Solution

The fourth proportional to 553,695.30, 830,542.95 and 301,096.80 is: 451,645.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,695.30 : 830,542.95 = 301,096.80 : x
  2. Step 2: Convert to fraction form
    553,695.30/830,542.95 = 301,096.80/x
  3. Step 3: Cross multiply
    553,695.30x = 830,542.95 × 301,096.80
  4. Step 4: Simplify right side
    553,695.30x = 250,073,824,507.56
  5. Step 5: Solve for x
    x = 250,073,824,507.56/553,695.30
  6. Step 6: Final answer
    x = 451,645.20

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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.