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Finding the Fourth Proportional to 802,684.72, 1,107,754.68 and 444,988.72

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Solution

The fourth proportional to 802,684.72, 1,107,754.68 and 444,988.72 is: 614,112.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,684.72 : 1,107,754.68 = 444,988.72 : x
  2. Step 2: Convert to fraction form
    802,684.72/1,107,754.68 = 444,988.72/x
  3. Step 3: Cross multiply
    802,684.72x = 1,107,754.68 × 444,988.72
  4. Step 4: Simplify right side
    802,684.72x = 492,938,337,127.21
  5. Step 5: Solve for x
    x = 492,938,337,127.21/802,684.72
  6. Step 6: Final answer
    x = 614,112.02

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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.