Home / 661,251.50-912,604.02-370,943.18

Finding the Fourth Proportional to 661,251.50, 912,604.02 and 370,943.18

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Solution

The fourth proportional to 661,251.50, 912,604.02 and 370,943.18 is: 511,944.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,251.50 : 912,604.02 = 370,943.18 : x
  2. Step 2: Convert to fraction form
    661,251.50/912,604.02 = 370,943.18/x
  3. Step 3: Cross multiply
    661,251.50x = 912,604.02 × 370,943.18
  4. Step 4: Simplify right side
    661,251.50x = 338,524,237,259.58
  5. Step 5: Solve for x
    x = 338,524,237,259.58/661,251.50
  6. Step 6: Final answer
    x = 511,944.76

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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.