Home / 820,942.52-1,132,889.90-458,372.56

Finding the Fourth Proportional to 820,942.52, 1,132,889.90 and 458,372.56

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Solution

The fourth proportional to 820,942.52, 1,132,889.90 and 458,372.56 is: 632,548.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,942.52 : 1,132,889.90 = 458,372.56 : x
  2. Step 2: Convert to fraction form
    820,942.52/1,132,889.90 = 458,372.56/x
  3. Step 3: Cross multiply
    820,942.52x = 1,132,889.90 × 458,372.56
  4. Step 4: Simplify right side
    820,942.52x = 519,285,643,661.14
  5. Step 5: Solve for x
    x = 519,285,643,661.14/820,942.52
  6. Step 6: Final answer
    x = 632,548.12

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1.5x scale

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.