Home / 725,803.02-1,088,746.90-220,380.49

Finding the Fourth Proportional to 725,803.02, 1,088,746.90 and 220,380.49

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Solution

The fourth proportional to 725,803.02, 1,088,746.90 and 220,380.49 is: 330,583.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,803.02 : 1,088,746.90 = 220,380.49 : x
  2. Step 2: Convert to fraction form
    725,803.02/1,088,746.90 = 220,380.49/x
  3. Step 3: Cross multiply
    725,803.02x = 1,088,746.90 × 220,380.49
  4. Step 4: Simplify right side
    725,803.02x = 239,938,569,864.25
  5. Step 5: Solve for x
    x = 239,938,569,864.25/725,803.02
  6. Step 6: Final answer
    x = 330,583.59

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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.