Home / 871,642.06-1,306,714.20-302,949.32

Finding the Fourth Proportional to 871,642.06, 1,306,714.20 and 302,949.32

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Solution

The fourth proportional to 871,642.06, 1,306,714.20 and 302,949.32 is: 454,163.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,642.06 : 1,306,714.20 = 302,949.32 : x
  2. Step 2: Convert to fraction form
    871,642.06/1,306,714.20 = 302,949.32/x
  3. Step 3: Cross multiply
    871,642.06x = 1,306,714.20 × 302,949.32
  4. Step 4: Simplify right side
    871,642.06x = 395,868,171,506.76
  5. Step 5: Solve for x
    x = 395,868,171,506.76/871,642.06
  6. Step 6: Final answer
    x = 454,163.69

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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.