Home / 871,631.64-1,202,843.16-484,447.92

Finding the Fourth Proportional to 871,631.64, 1,202,843.16 and 484,447.92

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Solution

The fourth proportional to 871,631.64, 1,202,843.16 and 484,447.92 is: 668,533.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,631.64 : 1,202,843.16 = 484,447.92 : x
  2. Step 2: Convert to fraction form
    871,631.64/1,202,843.16 = 484,447.92/x
  3. Step 3: Cross multiply
    871,631.64x = 1,202,843.16 × 484,447.92
  4. Step 4: Simplify right side
    871,631.64x = 582,714,866,948.23
  5. Step 5: Solve for x
    x = 582,714,866,948.23/871,631.64
  6. Step 6: Final answer
    x = 668,533.40

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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.