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Finding the Fourth Proportional to 822,851.40, 1,234,035.18 and 349,533

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Solution

The fourth proportional to 822,851.40, 1,234,035.18 and 349,533 is: 524,196.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,851.40 : 1,234,035.18 = 349,533 : x
  2. Step 2: Convert to fraction form
    822,851.40/1,234,035.18 = 349,533/x
  3. Step 3: Cross multiply
    822,851.40x = 1,234,035.18 × 349,533
  4. Step 4: Simplify right side
    822,851.40x = 431,336,018,570.94
  5. Step 5: Solve for x
    x = 431,336,018,570.94/822,851.40
  6. Step 6: Final answer
    x = 524,196.74

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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.