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Finding the Fourth Proportional to 544,543.80, 816,815.70 and 308,347.80

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Solution

The fourth proportional to 544,543.80, 816,815.70 and 308,347.80 is: 462,521.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,543.80 : 816,815.70 = 308,347.80 : x
  2. Step 2: Convert to fraction form
    544,543.80/816,815.70 = 308,347.80/x
  3. Step 3: Cross multiply
    544,543.80x = 816,815.70 × 308,347.80
  4. Step 4: Simplify right side
    544,543.80x = 251,863,324,100.46
  5. Step 5: Solve for x
    x = 251,863,324,100.46/544,543.80
  6. Step 6: Final answer
    x = 462,521.70

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Similar ratio
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1.5x scale

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.