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Finding the Fourth Proportional to 545,964.04, 814,675.28 and 489,225.97

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Solution

The fourth proportional to 545,964.04, 814,675.28 and 489,225.97 is: 730,012.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,964.04 : 814,675.28 = 489,225.97 : x
  2. Step 2: Convert to fraction form
    545,964.04/814,675.28 = 489,225.97/x
  3. Step 3: Cross multiply
    545,964.04x = 814,675.28 × 489,225.97
  4. Step 4: Simplify right side
    545,964.04x = 398,560,304,093.02
  5. Step 5: Solve for x
    x = 398,560,304,093.02/545,964.04
  6. Step 6: Final answer
    x = 730,012.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.