Home / 871,834.32-1,305,315.41-471,039.03

Finding the Fourth Proportional to 871,834.32, 1,305,315.41 and 471,039.03

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Solution

The fourth proportional to 871,834.32, 1,305,315.41 and 471,039.03 is: 705,242.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,834.32 : 1,305,315.41 = 471,039.03 : x
  2. Step 2: Convert to fraction form
    871,834.32/1,305,315.41 = 471,039.03/x
  3. Step 3: Cross multiply
    871,834.32x = 1,305,315.41 × 471,039.03
  4. Step 4: Simplify right side
    871,834.32x = 614,854,502,215.26
  5. Step 5: Solve for x
    x = 614,854,502,215.26/871,834.32
  6. Step 6: Final answer
    x = 705,242.37

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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.