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Finding the Fourth Proportional to 662,706.56, 914,535.06 and 360,900.56

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Solution

The fourth proportional to 662,706.56, 914,535.06 and 360,900.56 is: 498,042.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,706.56 : 914,535.06 = 360,900.56 : x
  2. Step 2: Convert to fraction form
    662,706.56/914,535.06 = 360,900.56/x
  3. Step 3: Cross multiply
    662,706.56x = 914,535.06 × 360,900.56
  4. Step 4: Simplify right side
    662,706.56x = 330,056,216,226.59
  5. Step 5: Solve for x
    x = 330,056,216,226.59/662,706.56
  6. Step 6: Final answer
    x = 498,042.78

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1.5x scale

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.