Home / 871,438.10-1,202,558.54-484,252.32

Finding the Fourth Proportional to 871,438.10, 1,202,558.54 and 484,252.32

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Solution

The fourth proportional to 871,438.10, 1,202,558.54 and 484,252.32 is: 668,253.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,438.10 : 1,202,558.54 = 484,252.32 : x
  2. Step 2: Convert to fraction form
    871,438.10/1,202,558.54 = 484,252.32/x
  3. Step 3: Cross multiply
    871,438.10x = 1,202,558.54 × 484,252.32
  4. Step 4: Simplify right side
    871,438.10x = 582,341,765,019.15
  5. Step 5: Solve for x
    x = 582,341,765,019.15/871,438.10
  6. Step 6: Final answer
    x = 668,253.74

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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.