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Finding the Fourth Proportional to 634,847.56, 876,096.66 and 348,359.56

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Solution

The fourth proportional to 634,847.56, 876,096.66 and 348,359.56 is: 480,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,847.56 : 876,096.66 = 348,359.56 : x
  2. Step 2: Convert to fraction form
    634,847.56/876,096.66 = 348,359.56/x
  3. Step 3: Cross multiply
    634,847.56x = 876,096.66 × 348,359.56
  4. Step 4: Simplify right side
    634,847.56x = 305,196,646,995.07
  5. Step 5: Solve for x
    x = 305,196,646,995.07/634,847.56
  6. Step 6: Final answer
    x = 480,740.05

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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.