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Finding the Fourth Proportional to 557,641.58, 836,480.55 and 265,458

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Solution

The fourth proportional to 557,641.58, 836,480.55 and 265,458 is: 398,195.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,641.58 : 836,480.55 = 265,458 : x
  2. Step 2: Convert to fraction form
    557,641.58/836,480.55 = 265,458/x
  3. Step 3: Cross multiply
    557,641.58x = 836,480.55 × 265,458
  4. Step 4: Simplify right side
    557,641.58x = 222,050,453,841.90
  5. Step 5: Solve for x
    x = 222,050,453,841.90/557,641.58
  6. Step 6: Final answer
    x = 398,195.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.