Home / 820,922.64-1,132,986.54-458,370

Finding the Fourth Proportional to 820,922.64, 1,132,986.54 and 458,370

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Solution

The fourth proportional to 820,922.64, 1,132,986.54 and 458,370 is: 632,613.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,922.64 : 1,132,986.54 = 458,370 : x
  2. Step 2: Convert to fraction form
    820,922.64/1,132,986.54 = 458,370/x
  3. Step 3: Cross multiply
    820,922.64x = 1,132,986.54 × 458,370
  4. Step 4: Simplify right side
    820,922.64x = 519,327,040,339.80
  5. Step 5: Solve for x
    x = 519,327,040,339.80/820,922.64
  6. Step 6: Final answer
    x = 632,613.86

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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.