Home / 808,721.20-1,115,674.14-468,992.44

Finding the Fourth Proportional to 808,721.20, 1,115,674.14 and 468,992.44

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Solution

The fourth proportional to 808,721.20, 1,115,674.14 and 468,992.44 is: 647,000.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,721.20 : 1,115,674.14 = 468,992.44 : x
  2. Step 2: Convert to fraction form
    808,721.20/1,115,674.14 = 468,992.44/x
  3. Step 3: Cross multiply
    808,721.20x = 1,115,674.14 × 468,992.44
  4. Step 4: Simplify right side
    808,721.20x = 523,242,737,163.50
  5. Step 5: Solve for x
    x = 523,242,737,163.50/808,721.20
  6. Step 6: Final answer
    x = 647,000.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.