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Finding the Fourth Proportional to 617,665.32, 852,370.02 and 349,393.32

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Solution

The fourth proportional to 617,665.32, 852,370.02 and 349,393.32 is: 482,158.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,665.32 : 852,370.02 = 349,393.32 : x
  2. Step 2: Convert to fraction form
    617,665.32/852,370.02 = 349,393.32/x
  3. Step 3: Cross multiply
    617,665.32x = 852,370.02 × 349,393.32
  4. Step 4: Simplify right side
    617,665.32x = 297,812,391,156.27
  5. Step 5: Solve for x
    x = 297,812,391,156.27/617,665.32
  6. Step 6: Final answer
    x = 482,158.19

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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.