Home / 818,182.85-1,225,921.02-418,273.49

Finding the Fourth Proportional to 818,182.85, 1,225,921.02 and 418,273.49

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Solution

The fourth proportional to 818,182.85, 1,225,921.02 and 418,273.49 is: 626,718.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,182.85 : 1,225,921.02 = 418,273.49 : x
  2. Step 2: Convert to fraction form
    818,182.85/1,225,921.02 = 418,273.49/x
  3. Step 3: Cross multiply
    818,182.85x = 1,225,921.02 × 418,273.49
  4. Step 4: Simplify right side
    818,182.85x = 512,770,257,370.16
  5. Step 5: Solve for x
    x = 512,770,257,370.16/818,182.85
  6. Step 6: Final answer
    x = 626,718.42

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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.