Home / 780,580.56-1,077,082.20-440,924.88

Finding the Fourth Proportional to 780,580.56, 1,077,082.20 and 440,924.88

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Solution

The fourth proportional to 780,580.56, 1,077,082.20 and 440,924.88 is: 608,409.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,580.56 : 1,077,082.20 = 440,924.88 : x
  2. Step 2: Convert to fraction form
    780,580.56/1,077,082.20 = 440,924.88/x
  3. Step 3: Cross multiply
    780,580.56x = 1,077,082.20 × 440,924.88
  4. Step 4: Simplify right side
    780,580.56x = 474,912,339,785.14
  5. Step 5: Solve for x
    x = 474,912,339,785.14/780,580.56
  6. Step 6: Final answer
    x = 608,409.13

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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.