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Finding the Fourth Proportional to 662,765.70, 914,616.66 and 360,959.70

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Solution

The fourth proportional to 662,765.70, 914,616.66 and 360,959.70 is: 498,124.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,765.70 : 914,616.66 = 360,959.70 : x
  2. Step 2: Convert to fraction form
    662,765.70/914,616.66 = 360,959.70/x
  3. Step 3: Cross multiply
    662,765.70x = 914,616.66 × 360,959.70
  4. Step 4: Simplify right side
    662,765.70x = 330,139,755,208.60
  5. Step 5: Solve for x
    x = 330,139,755,208.60/662,765.70
  6. Step 6: Final answer
    x = 498,124.38

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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.