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Finding the Fourth Proportional to 538,334.04, 807,502.28 and 505,451.28

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Solution

The fourth proportional to 538,334.04, 807,502.28 and 505,451.28 is: 758,178.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,334.04 : 807,502.28 = 505,451.28 : x
  2. Step 2: Convert to fraction form
    538,334.04/807,502.28 = 505,451.28/x
  3. Step 3: Cross multiply
    538,334.04x = 807,502.28 × 505,451.28
  4. Step 4: Simplify right side
    538,334.04x = 408,153,061,028.92
  5. Step 5: Solve for x
    x = 408,153,061,028.92/538,334.04
  6. Step 6: Final answer
    x = 758,178.07

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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.