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Finding the Fourth Proportional to 617,757.58, 852,498.95 and 345,827.71

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Solution

The fourth proportional to 617,757.58, 852,498.95 and 345,827.71 is: 477,238.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,757.58 : 852,498.95 = 345,827.71 : x
  2. Step 2: Convert to fraction form
    617,757.58/852,498.95 = 345,827.71/x
  3. Step 3: Cross multiply
    617,757.58x = 852,498.95 × 345,827.71
  4. Step 4: Simplify right side
    617,757.58x = 294,817,755,795.52
  5. Step 5: Solve for x
    x = 294,817,755,795.52/617,757.58
  6. Step 6: Final answer
    x = 477,238.59

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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.