Home / 684,163.20-1,026,244.80-284,671.20

Finding the Fourth Proportional to 684,163.20, 1,026,244.80 and 284,671.20

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Solution

The fourth proportional to 684,163.20, 1,026,244.80 and 284,671.20 is: 427,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,163.20 : 1,026,244.80 = 284,671.20 : x
  2. Step 2: Convert to fraction form
    684,163.20/1,026,244.80 = 284,671.20/x
  3. Step 3: Cross multiply
    684,163.20x = 1,026,244.80 × 284,671.20
  4. Step 4: Simplify right side
    684,163.20x = 292,142,338,709.76
  5. Step 5: Solve for x
    x = 292,142,338,709.76/684,163.20
  6. Step 6: Final answer
    x = 427,006.80

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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.