Home / 828,832.10-1,243,248.15-822,927.20

Finding the Fourth Proportional to 828,832.10, 1,243,248.15 and 822,927.20

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Solution

The fourth proportional to 828,832.10, 1,243,248.15 and 822,927.20 is: 1,234,390.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,832.10 : 1,243,248.15 = 822,927.20 : x
  2. Step 2: Convert to fraction form
    828,832.10/1,243,248.15 = 822,927.20/x
  3. Step 3: Cross multiply
    828,832.10x = 1,243,248.15 × 822,927.20
  4. Step 4: Simplify right side
    828,832.10x = 1,023,102,718,984.68
  5. Step 5: Solve for x
    x = 1,023,102,718,984.68/828,832.10
  6. Step 6: Final answer
    x = 1,234,390.80

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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.