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Finding the Fourth Proportional to 634,467.12, 949,476.81 and 454,750.69

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Solution

The fourth proportional to 634,467.12, 949,476.81 and 454,750.69 is: 680,532.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,467.12 : 949,476.81 = 454,750.69 : x
  2. Step 2: Convert to fraction form
    634,467.12/949,476.81 = 454,750.69/x
  3. Step 3: Cross multiply
    634,467.12x = 949,476.81 × 454,750.69
  4. Step 4: Simplify right side
    634,467.12x = 431,775,234,486.50
  5. Step 5: Solve for x
    x = 431,775,234,486.50/634,467.12
  6. Step 6: Final answer
    x = 680,532.09

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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.