Home / 871,636.12-1,306,705.26-302,943.32

Finding the Fourth Proportional to 871,636.12, 1,306,705.26 and 302,943.32

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Solution

The fourth proportional to 871,636.12, 1,306,705.26 and 302,943.32 is: 454,154.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,636.12 : 1,306,705.26 = 302,943.32 : x
  2. Step 2: Convert to fraction form
    871,636.12/1,306,705.26 = 302,943.32/x
  3. Step 3: Cross multiply
    871,636.12x = 1,306,705.26 × 302,943.32
  4. Step 4: Simplify right side
    871,636.12x = 395,857,629,725.86
  5. Step 5: Solve for x
    x = 395,857,629,725.86/871,636.12
  6. Step 6: Final answer
    x = 454,154.69

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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.