Home / 864,589.55-1,297,059.28-303,667.79

Finding the Fourth Proportional to 864,589.55, 1,297,059.28 and 303,667.79

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Solution

The fourth proportional to 864,589.55, 1,297,059.28 and 303,667.79 is: 455,563.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,589.55 : 1,297,059.28 = 303,667.79 : x
  2. Step 2: Convert to fraction form
    864,589.55/1,297,059.28 = 303,667.79/x
  3. Step 3: Cross multiply
    864,589.55x = 1,297,059.28 × 303,667.79
  4. Step 4: Simplify right side
    864,589.55x = 393,875,117,812.13
  5. Step 5: Solve for x
    x = 393,875,117,812.13/864,589.55
  6. Step 6: Final answer
    x = 455,563.13

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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.