Home / 791,135.22-1,091,498.04-446,920.86

Finding the Fourth Proportional to 791,135.22, 1,091,498.04 and 446,920.86

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Solution

The fourth proportional to 791,135.22, 1,091,498.04 and 446,920.86 is: 616,599.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,135.22 : 1,091,498.04 = 446,920.86 : x
  2. Step 2: Convert to fraction form
    791,135.22/1,091,498.04 = 446,920.86/x
  3. Step 3: Cross multiply
    791,135.22x = 1,091,498.04 × 446,920.86
  4. Step 4: Simplify right side
    791,135.22x = 487,813,242,725.11
  5. Step 5: Solve for x
    x = 487,813,242,725.11/791,135.22
  6. Step 6: Final answer
    x = 616,599.07

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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.