Home / 820,982.88-1,132,975.62-458,394.48

Finding the Fourth Proportional to 820,982.88, 1,132,975.62 and 458,394.48

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Solution

The fourth proportional to 820,982.88, 1,132,975.62 and 458,394.48 is: 632,595.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,982.88 : 1,132,975.62 = 458,394.48 : x
  2. Step 2: Convert to fraction form
    820,982.88/1,132,975.62 = 458,394.48/x
  3. Step 3: Cross multiply
    820,982.88x = 1,132,975.62 × 458,394.48
  4. Step 4: Simplify right side
    820,982.88x = 519,349,770,182.58
  5. Step 5: Solve for x
    x = 519,349,770,182.58/820,982.88
  6. Step 6: Final answer
    x = 632,595.13

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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.