Home / 725,856.04-1,088,661.21-220,295.89

Finding the Fourth Proportional to 725,856.04, 1,088,661.21 and 220,295.89

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Solution

The fourth proportional to 725,856.04, 1,088,661.21 and 220,295.89 is: 330,406.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,856.04 : 1,088,661.21 = 220,295.89 : x
  2. Step 2: Convert to fraction form
    725,856.04/1,088,661.21 = 220,295.89/x
  3. Step 3: Cross multiply
    725,856.04x = 1,088,661.21 × 220,295.89
  4. Step 4: Simplify right side
    725,856.04x = 239,827,590,165.43
  5. Step 5: Solve for x
    x = 239,827,590,165.43/725,856.04
  6. Step 6: Final answer
    x = 330,406.55

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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.