Home / 823,085.18-1,234,849.62-343,153.46

Finding the Fourth Proportional to 823,085.18, 1,234,849.62 and 343,153.46

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Solution

The fourth proportional to 823,085.18, 1,234,849.62 and 343,153.46 is: 514,822.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,085.18 : 1,234,849.62 = 343,153.46 : x
  2. Step 2: Convert to fraction form
    823,085.18/1,234,849.62 = 343,153.46/x
  3. Step 3: Cross multiply
    823,085.18x = 1,234,849.62 × 343,153.46
  4. Step 4: Simplify right side
    823,085.18x = 423,742,919,682.69
  5. Step 5: Solve for x
    x = 423,742,919,682.69/823,085.18
  6. Step 6: Final answer
    x = 514,822.68

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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.