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Finding the Fourth Proportional to 617,484, 852,127.92 and 334,860

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Solution

The fourth proportional to 617,484, 852,127.92 and 334,860 is: 462,106.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,484 : 852,127.92 = 334,860 : x
  2. Step 2: Convert to fraction form
    617,484/852,127.92 = 334,860/x
  3. Step 3: Cross multiply
    617,484x = 852,127.92 × 334,860
  4. Step 4: Simplify right side
    617,484x = 285,343,555,291.20
  5. Step 5: Solve for x
    x = 285,343,555,291.20/617,484
  6. Step 6: Final answer
    x = 462,106.80

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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.