Home / 725,840.28-1,088,981.73-371,103.39

Finding the Fourth Proportional to 725,840.28, 1,088,981.73 and 371,103.39

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Solution

The fourth proportional to 725,840.28, 1,088,981.73 and 371,103.39 is: 556,768.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,840.28 : 1,088,981.73 = 371,103.39 : x
  2. Step 2: Convert to fraction form
    725,840.28/1,088,981.73 = 371,103.39/x
  3. Step 3: Cross multiply
    725,840.28x = 1,088,981.73 × 371,103.39
  4. Step 4: Simplify right side
    725,840.28x = 404,124,811,651.07
  5. Step 5: Solve for x
    x = 404,124,811,651.07/725,840.28
  6. Step 6: Final answer
    x = 556,768.24

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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.