Home / 754,087.47-1,040,660.87-409,946.47

Finding the Fourth Proportional to 754,087.47, 1,040,660.87 and 409,946.47

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Solution

The fourth proportional to 754,087.47, 1,040,660.87 and 409,946.47 is: 565,737.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,087.47 : 1,040,660.87 = 409,946.47 : x
  2. Step 2: Convert to fraction form
    754,087.47/1,040,660.87 = 409,946.47/x
  3. Step 3: Cross multiply
    754,087.47x = 1,040,660.87 × 409,946.47
  4. Step 4: Simplify right side
    754,087.47x = 426,615,245,472.24
  5. Step 5: Solve for x
    x = 426,615,245,472.24/754,087.47
  6. Step 6: Final answer
    x = 565,737.08

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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.