Home / 804,278.86-1,206,417.51-205,240.01

Finding the Fourth Proportional to 804,278.86, 1,206,417.51 and 205,240.01

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Solution

The fourth proportional to 804,278.86, 1,206,417.51 and 205,240.01 is: 307,859.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,278.86 : 1,206,417.51 = 205,240.01 : x
  2. Step 2: Convert to fraction form
    804,278.86/1,206,417.51 = 205,240.01/x
  3. Step 3: Cross multiply
    804,278.86x = 1,206,417.51 × 205,240.01
  4. Step 4: Simplify right side
    804,278.86x = 247,605,135,784.49
  5. Step 5: Solve for x
    x = 247,605,135,784.49/804,278.86
  6. Step 6: Final answer
    x = 307,859.81

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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.