Home / 942,989.47-1,414,759.78-303,278.83

Finding the Fourth Proportional to 942,989.47, 1,414,759.78 and 303,278.83

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Solution

The fourth proportional to 942,989.47, 1,414,759.78 and 303,278.83 is: 455,006.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,989.47 : 1,414,759.78 = 303,278.83 : x
  2. Step 2: Convert to fraction form
    942,989.47/1,414,759.78 = 303,278.83/x
  3. Step 3: Cross multiply
    942,989.47x = 1,414,759.78 × 303,278.83
  4. Step 4: Simplify right side
    942,989.47x = 429,066,690,809.46
  5. Step 5: Solve for x
    x = 429,066,690,809.46/942,989.47
  6. Step 6: Final answer
    x = 455,006.87

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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.