Home / 820,925.97-1,132,865.90-458,354.86

Finding the Fourth Proportional to 820,925.97, 1,132,865.90 and 458,354.86

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Solution

The fourth proportional to 820,925.97, 1,132,865.90 and 458,354.86 is: 632,523.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,925.97 : 1,132,865.90 = 458,354.86 : x
  2. Step 2: Convert to fraction form
    820,925.97/1,132,865.90 = 458,354.86/x
  3. Step 3: Cross multiply
    820,925.97x = 1,132,865.90 × 458,354.86
  4. Step 4: Simplify right side
    820,925.97x = 519,254,590,993.27
  5. Step 5: Solve for x
    x = 519,254,590,993.27/820,925.97
  6. Step 6: Final answer
    x = 632,523.04

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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.