Home / 871,634.12-1,306,702.26-302,941.32

Finding the Fourth Proportional to 871,634.12, 1,306,702.26 and 302,941.32

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Solution

The fourth proportional to 871,634.12, 1,306,702.26 and 302,941.32 is: 454,151.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,634.12 : 1,306,702.26 = 302,941.32 : x
  2. Step 2: Convert to fraction form
    871,634.12/1,306,702.26 = 302,941.32/x
  3. Step 3: Cross multiply
    871,634.12x = 1,306,702.26 × 302,941.32
  4. Step 4: Simplify right side
    871,634.12x = 395,854,102,591.25
  5. Step 5: Solve for x
    x = 395,854,102,591.25/871,634.12
  6. Step 6: Final answer
    x = 454,151.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.