Home / 887,709.72-1,331,574.30-256,629

Finding the Fourth Proportional to 887,709.72, 1,331,574.30 and 256,629

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Solution

The fourth proportional to 887,709.72, 1,331,574.30 and 256,629 is: 384,946.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,709.72 : 1,331,574.30 = 256,629 : x
  2. Step 2: Convert to fraction form
    887,709.72/1,331,574.30 = 256,629/x
  3. Step 3: Cross multiply
    887,709.72x = 1,331,574.30 × 256,629
  4. Step 4: Simplify right side
    887,709.72x = 341,720,581,034.70
  5. Step 5: Solve for x
    x = 341,720,581,034.70/887,709.72
  6. Step 6: Final answer
    x = 384,946.31

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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.