Home / 871,988.49-1,203,216.93-484,772.85

Finding the Fourth Proportional to 871,988.49, 1,203,216.93 and 484,772.85

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Solution

The fourth proportional to 871,988.49, 1,203,216.93 and 484,772.85 is: 668,915.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,988.49 : 1,203,216.93 = 484,772.85 : x
  2. Step 2: Convert to fraction form
    871,988.49/1,203,216.93 = 484,772.85/x
  3. Step 3: Cross multiply
    871,988.49x = 1,203,216.93 × 484,772.85
  4. Step 4: Simplify right side
    871,988.49x = 583,286,900,324.35
  5. Step 5: Solve for x
    x = 583,286,900,324.35/871,988.49
  6. Step 6: Final answer
    x = 668,915.83

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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.