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Finding the Fourth Proportional to 655,463.07, 983,309.91 and 271,210.80

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Solution

The fourth proportional to 655,463.07, 983,309.91 and 271,210.80 is: 406,863.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,463.07 : 983,309.91 = 271,210.80 : x
  2. Step 2: Convert to fraction form
    655,463.07/983,309.91 = 271,210.80/x
  3. Step 3: Cross multiply
    655,463.07x = 983,309.91 × 271,210.80
  4. Step 4: Simplify right side
    655,463.07x = 266,684,267,339.03
  5. Step 5: Solve for x
    x = 266,684,267,339.03/655,463.07
  6. Step 6: Final answer
    x = 406,863.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.