Home / 871,843.32-1,305,328.86-471,048.06

Finding the Fourth Proportional to 871,843.32, 1,305,328.86 and 471,048.06

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Solution

The fourth proportional to 871,843.32, 1,305,328.86 and 471,048.06 is: 705,255.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,843.32 : 1,305,328.86 = 471,048.06 : x
  2. Step 2: Convert to fraction form
    871,843.32/1,305,328.86 = 471,048.06/x
  3. Step 3: Cross multiply
    871,843.32x = 1,305,328.86 × 471,048.06
  4. Step 4: Simplify right side
    871,843.32x = 614,872,627,165.01
  5. Step 5: Solve for x
    x = 614,872,627,165.01/871,843.32
  6. Step 6: Final answer
    x = 705,255.88

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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.