Home / 810,871.82-1,119,180.75-471,535.82

Finding the Fourth Proportional to 810,871.82, 1,119,180.75 and 471,535.82

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Solution

The fourth proportional to 810,871.82, 1,119,180.75 and 471,535.82 is: 650,822.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,871.82 : 1,119,180.75 = 471,535.82 : x
  2. Step 2: Convert to fraction form
    810,871.82/1,119,180.75 = 471,535.82/x
  3. Step 3: Cross multiply
    810,871.82x = 1,119,180.75 × 471,535.82
  4. Step 4: Simplify right side
    810,871.82x = 527,733,812,679.47
  5. Step 5: Solve for x
    x = 527,733,812,679.47/810,871.82
  6. Step 6: Final answer
    x = 650,822.73

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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.