Home / 849,301.92-1,272,553.20-493,316.64

Finding the Fourth Proportional to 849,301.92, 1,272,553.20 and 493,316.64

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Solution

The fourth proportional to 849,301.92, 1,272,553.20 and 493,316.64 is: 739,161.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,301.92 : 1,272,553.20 = 493,316.64 : x
  2. Step 2: Convert to fraction form
    849,301.92/1,272,553.20 = 493,316.64/x
  3. Step 3: Cross multiply
    849,301.92x = 1,272,553.20 × 493,316.64
  4. Step 4: Simplify right side
    849,301.92x = 627,771,668,845.25
  5. Step 5: Solve for x
    x = 627,771,668,845.25/849,301.92
  6. Step 6: Final answer
    x = 739,161.96

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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.