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Finding the Fourth Proportional to 538,093.70, 807,140.55 and 480,032.90

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Solution

The fourth proportional to 538,093.70, 807,140.55 and 480,032.90 is: 720,049.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,093.70 : 807,140.55 = 480,032.90 : x
  2. Step 2: Convert to fraction form
    538,093.70/807,140.55 = 480,032.90/x
  3. Step 3: Cross multiply
    538,093.70x = 807,140.55 × 480,032.90
  4. Step 4: Simplify right side
    538,093.70x = 387,454,018,924.10
  5. Step 5: Solve for x
    x = 387,454,018,924.10/538,093.70
  6. Step 6: Final answer
    x = 720,049.35

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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.