Home / 824,520.42-1,238,184.87-536,821.79

Finding the Fourth Proportional to 824,520.42, 1,238,184.87 and 536,821.79

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Solution

The fourth proportional to 824,520.42, 1,238,184.87 and 536,821.79 is: 806,146.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,520.42 : 1,238,184.87 = 536,821.79 : x
  2. Step 2: Convert to fraction form
    824,520.42/1,238,184.87 = 536,821.79/x
  3. Step 3: Cross multiply
    824,520.42x = 1,238,184.87 × 536,821.79
  4. Step 4: Simplify right side
    824,520.42x = 664,684,618,264.32
  5. Step 5: Solve for x
    x = 664,684,618,264.32/824,520.42
  6. Step 6: Final answer
    x = 806,146.95

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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.