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Finding the Fourth Proportional to 650,179.60, 974,963.22 and 422,106.28

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Solution

The fourth proportional to 650,179.60, 974,963.22 and 422,106.28 is: 632,960.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,179.60 : 974,963.22 = 422,106.28 : x
  2. Step 2: Convert to fraction form
    650,179.60/974,963.22 = 422,106.28/x
  3. Step 3: Cross multiply
    650,179.60x = 974,963.22 × 422,106.28
  4. Step 4: Simplify right side
    650,179.60x = 411,538,097,931.02
  5. Step 5: Solve for x
    x = 411,538,097,931.02/650,179.60
  6. Step 6: Final answer
    x = 632,960.64

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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.