Home / 848,310.39-1,272,454.38-208,619.64

Finding the Fourth Proportional to 848,310.39, 1,272,454.38 and 208,619.64

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Solution

The fourth proportional to 848,310.39, 1,272,454.38 and 208,619.64 is: 312,926.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,310.39 : 1,272,454.38 = 208,619.64 : x
  2. Step 2: Convert to fraction form
    848,310.39/1,272,454.38 = 208,619.64/x
  3. Step 3: Cross multiply
    848,310.39x = 1,272,454.38 × 208,619.64
  4. Step 4: Simplify right side
    848,310.39x = 265,458,974,672.02
  5. Step 5: Solve for x
    x = 265,458,974,672.02/848,310.39
  6. Step 6: Final answer
    x = 312,926.70

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1.5x scale

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.