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Finding the Fourth Proportional to 626,489.04, 864,554.52 and 354,552

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Solution

The fourth proportional to 626,489.04, 864,554.52 and 354,552 is: 489,281.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,489.04 : 864,554.52 = 354,552 : x
  2. Step 2: Convert to fraction form
    626,489.04/864,554.52 = 354,552/x
  3. Step 3: Cross multiply
    626,489.04x = 864,554.52 × 354,552
  4. Step 4: Simplify right side
    626,489.04x = 306,529,534,175.04
  5. Step 5: Solve for x
    x = 306,529,534,175.04/626,489.04
  6. Step 6: Final answer
    x = 489,281.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.