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Finding the Fourth Proportional to 434,878.59, 651,469.00 and 299,623.57

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Solution

The fourth proportional to 434,878.59, 651,469.00 and 299,623.57 is: 448,850.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,878.59 : 651,469.00 = 299,623.57 : x
  2. Step 2: Convert to fraction form
    434,878.59/651,469.00 = 299,623.57/x
  3. Step 3: Cross multiply
    434,878.59x = 651,469.00 × 299,623.57
  4. Step 4: Simplify right side
    434,878.59x = 195,195,466,775.27
  5. Step 5: Solve for x
    x = 195,195,466,775.27/434,878.59
  6. Step 6: Final answer
    x = 448,850.49

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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.