Home / 871,409.61-1,202,521.28-484,215.03

Finding the Fourth Proportional to 871,409.61, 1,202,521.28 and 484,215.03

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Solution

The fourth proportional to 871,409.61, 1,202,521.28 and 484,215.03 is: 668,203.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,409.61 : 1,202,521.28 = 484,215.03 : x
  2. Step 2: Convert to fraction form
    871,409.61/1,202,521.28 = 484,215.03/x
  3. Step 3: Cross multiply
    871,409.61x = 1,202,521.28 × 484,215.03
  4. Step 4: Simplify right side
    871,409.61x = 582,278,875,249.76
  5. Step 5: Solve for x
    x = 582,278,875,249.76/871,409.61
  6. Step 6: Final answer
    x = 668,203.41

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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.