Home / 822,839.40-1,234,017.18-349,521

Finding the Fourth Proportional to 822,839.40, 1,234,017.18 and 349,521

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Solution

The fourth proportional to 822,839.40, 1,234,017.18 and 349,521 is: 524,178.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,839.40 : 1,234,017.18 = 349,521 : x
  2. Step 2: Convert to fraction form
    822,839.40/1,234,017.18 = 349,521/x
  3. Step 3: Cross multiply
    822,839.40x = 1,234,017.18 × 349,521
  4. Step 4: Simplify right side
    822,839.40x = 431,314,918,770.78
  5. Step 5: Solve for x
    x = 431,314,918,770.78/822,839.40
  6. Step 6: Final answer
    x = 524,178.74

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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.