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Finding the Fourth Proportional to 634,949.76, 876,202.56 and 348,470.40

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Solution

The fourth proportional to 634,949.76, 876,202.56 and 348,470.40 is: 480,873.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,949.76 : 876,202.56 = 348,470.40 : x
  2. Step 2: Convert to fraction form
    634,949.76/876,202.56 = 348,470.40/x
  3. Step 3: Cross multiply
    634,949.76x = 876,202.56 × 348,470.40
  4. Step 4: Simplify right side
    634,949.76x = 305,330,656,564.22
  5. Step 5: Solve for x
    x = 305,330,656,564.22/634,949.76
  6. Step 6: Final answer
    x = 480,873.73

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