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Finding the Fourth Proportional to 634,179.60, 875,134.62 and 362,194.20

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Solution

The fourth proportional to 634,179.60, 875,134.62 and 362,194.20 is: 499,809.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,179.60 : 875,134.62 = 362,194.20 : x
  2. Step 2: Convert to fraction form
    634,179.60/875,134.62 = 362,194.20/x
  3. Step 3: Cross multiply
    634,179.60x = 875,134.62 × 362,194.20
  4. Step 4: Simplify right side
    634,179.60x = 316,968,683,583.20
  5. Step 5: Solve for x
    x = 316,968,683,583.20/634,179.60
  6. Step 6: Final answer
    x = 499,809.02

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1.5x scale

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.