Home / 725,840.21-1,088,981.75-371,103.35

Finding the Fourth Proportional to 725,840.21, 1,088,981.75 and 371,103.35

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Solution

The fourth proportional to 725,840.21, 1,088,981.75 and 371,103.35 is: 556,768.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,840.21 : 1,088,981.75 = 371,103.35 : x
  2. Step 2: Convert to fraction form
    725,840.21/1,088,981.75 = 371,103.35/x
  3. Step 3: Cross multiply
    725,840.21x = 1,088,981.75 × 371,103.35
  4. Step 4: Simplify right side
    725,840.21x = 404,124,770,996.71
  5. Step 5: Solve for x
    x = 404,124,770,996.71/725,840.21
  6. Step 6: Final answer
    x = 556,768.23

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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.