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Finding the Fourth Proportional to 462,677.40, 694,016.10 and 276,053.40

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Solution

The fourth proportional to 462,677.40, 694,016.10 and 276,053.40 is: 414,080.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,677.40 : 694,016.10 = 276,053.40 : x
  2. Step 2: Convert to fraction form
    462,677.40/694,016.10 = 276,053.40/x
  3. Step 3: Cross multiply
    462,677.40x = 694,016.10 × 276,053.40
  4. Step 4: Simplify right side
    462,677.40x = 191,585,504,059.74
  5. Step 5: Solve for x
    x = 191,585,504,059.74/462,677.40
  6. Step 6: Final answer
    x = 414,080.10

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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.