Home / 918,908.70-1,267,996.95-510,944.73

Finding the Fourth Proportional to 918,908.70, 1,267,996.95 and 510,944.73

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Solution

The fourth proportional to 918,908.70, 1,267,996.95 and 510,944.73 is: 705,049.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,908.70 : 1,267,996.95 = 510,944.73 : x
  2. Step 2: Convert to fraction form
    918,908.70/1,267,996.95 = 510,944.73/x
  3. Step 3: Cross multiply
    918,908.70x = 1,267,996.95 × 510,944.73
  4. Step 4: Simplify right side
    918,908.70x = 647,876,359,258.57
  5. Step 5: Solve for x
    x = 647,876,359,258.57/918,908.70
  6. Step 6: Final answer
    x = 705,049.76

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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.