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Finding the Fourth Proportional to 402,077.71, 605,940.39 and 362,146.73

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Solution

The fourth proportional to 402,077.71, 605,940.39 and 362,146.73 is: 545,763.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,077.71 : 605,940.39 = 362,146.73 : x
  2. Step 2: Convert to fraction form
    402,077.71/605,940.39 = 362,146.73/x
  3. Step 3: Cross multiply
    402,077.71x = 605,940.39 × 362,146.73
  4. Step 4: Simplify right side
    402,077.71x = 219,439,330,173.60
  5. Step 5: Solve for x
    x = 219,439,330,173.60/402,077.71
  6. Step 6: Final answer
    x = 545,763.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.