Home / 804,550.16-1,206,980.76-272,157.68

Finding the Fourth Proportional to 804,550.16, 1,206,980.76 and 272,157.68

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Solution

The fourth proportional to 804,550.16, 1,206,980.76 and 272,157.68 is: 408,289.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,550.16 : 1,206,980.76 = 272,157.68 : x
  2. Step 2: Convert to fraction form
    804,550.16/1,206,980.76 = 272,157.68/x
  3. Step 3: Cross multiply
    804,550.16x = 1,206,980.76 × 272,157.68
  4. Step 4: Simplify right side
    804,550.16x = 328,489,083,446.24
  5. Step 5: Solve for x
    x = 328,489,083,446.24/804,550.16
  6. Step 6: Final answer
    x = 408,289.13

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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.