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Finding the Fourth Proportional to 617,288.83, 852,149.84 and 464,385.39

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Solution

The fourth proportional to 617,288.83, 852,149.84 and 464,385.39 is: 641,070.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,288.83 : 852,149.84 = 464,385.39 : x
  2. Step 2: Convert to fraction form
    617,288.83/852,149.84 = 464,385.39/x
  3. Step 3: Cross multiply
    617,288.83x = 852,149.84 × 464,385.39
  4. Step 4: Simplify right side
    617,288.83x = 395,725,935,786.84
  5. Step 5: Solve for x
    x = 395,725,935,786.84/617,288.83
  6. Step 6: Final answer
    x = 641,070.95

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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.