Home / 822,814.20-1,234,312.02-261,717.48

Finding the Fourth Proportional to 822,814.20, 1,234,312.02 and 261,717.48

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Solution

The fourth proportional to 822,814.20, 1,234,312.02 and 261,717.48 is: 392,605.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,814.20 : 1,234,312.02 = 261,717.48 : x
  2. Step 2: Convert to fraction form
    822,814.20/1,234,312.02 = 261,717.48/x
  3. Step 3: Cross multiply
    822,814.20x = 1,234,312.02 × 261,717.48
  4. Step 4: Simplify right side
    822,814.20x = 323,041,031,408.11
  5. Step 5: Solve for x
    x = 323,041,031,408.11/822,814.20
  6. Step 6: Final answer
    x = 392,605.08

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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.