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Finding the Fourth Proportional to 822,840.40, 1,234,018.68 and 349,522

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Solution

The fourth proportional to 822,840.40, 1,234,018.68 and 349,522 is: 524,180.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,840.40 : 1,234,018.68 = 349,522 : x
  2. Step 2: Convert to fraction form
    822,840.40/1,234,018.68 = 349,522/x
  3. Step 3: Cross multiply
    822,840.40x = 1,234,018.68 × 349,522
  4. Step 4: Simplify right side
    822,840.40x = 431,316,677,070.96
  5. Step 5: Solve for x
    x = 431,316,677,070.96/822,840.40
  6. Step 6: Final answer
    x = 524,180.24

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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.