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Finding the Fourth Proportional to 617,432.90, 852,096.93 and 345,532.10

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Solution

The fourth proportional to 617,432.90, 852,096.93 and 345,532.10 is: 476,856.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,432.90 : 852,096.93 = 345,532.10 : x
  2. Step 2: Convert to fraction form
    617,432.90/852,096.93 = 345,532.10/x
  3. Step 3: Cross multiply
    617,432.90x = 852,096.93 × 345,532.10
  4. Step 4: Simplify right side
    617,432.90x = 294,426,841,626.45
  5. Step 5: Solve for x
    x = 294,426,841,626.45/617,432.90
  6. Step 6: Final answer
    x = 476,856.42

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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.