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Finding the Fourth Proportional to 617,997.69, 852,836.69 and 342,373.46

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Solution

The fourth proportional to 617,997.69, 852,836.69 and 342,373.46 is: 472,475.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,997.69 : 852,836.69 = 342,373.46 : x
  2. Step 2: Convert to fraction form
    617,997.69/852,836.69 = 342,373.46/x
  3. Step 3: Cross multiply
    617,997.69x = 852,836.69 × 342,373.46
  4. Step 4: Simplify right side
    617,997.69x = 291,988,644,962.00
  5. Step 5: Solve for x
    x = 291,988,644,962.00/617,997.69
  6. Step 6: Final answer
    x = 472,475.30

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1.5x scale

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.