Home / 871,429.86-1,202,549.19-484,235.28

Finding the Fourth Proportional to 871,429.86, 1,202,549.19 and 484,235.28

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Solution

The fourth proportional to 871,429.86, 1,202,549.19 and 484,235.28 is: 668,231.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,429.86 : 1,202,549.19 = 484,235.28 : x
  2. Step 2: Convert to fraction form
    871,429.86/1,202,549.19 = 484,235.28/x
  3. Step 3: Cross multiply
    871,429.86x = 1,202,549.19 × 484,235.28
  4. Step 4: Simplify right side
    871,429.86x = 582,316,743,733.42
  5. Step 5: Solve for x
    x = 582,316,743,733.42/871,429.86
  6. Step 6: Final answer
    x = 668,231.34

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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.