Home / 474,348.02-654,635.78-270,403.79

Finding the Fourth Proportional to 474,348.02, 654,635.78 and 270,403.79

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Solution

The fourth proportional to 474,348.02, 654,635.78 and 270,403.79 is: 373,177.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,348.02 : 654,635.78 = 270,403.79 : x
  2. Step 2: Convert to fraction form
    474,348.02/654,635.78 = 270,403.79/x
  3. Step 3: Cross multiply
    474,348.02x = 654,635.78 × 270,403.79
  4. Step 4: Simplify right side
    474,348.02x = 177,015,995,981.61
  5. Step 5: Solve for x
    x = 177,015,995,981.61/474,348.02
  6. Step 6: Final answer
    x = 373,177.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.