Home / 848,310.89-1,272,455.13-208,620.14

Finding the Fourth Proportional to 848,310.89, 1,272,455.13 and 208,620.14

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Solution

The fourth proportional to 848,310.89, 1,272,455.13 and 208,620.14 is: 312,927.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,310.89 : 1,272,455.13 = 208,620.14 : x
  2. Step 2: Convert to fraction form
    848,310.89/1,272,455.13 = 208,620.14/x
  3. Step 3: Cross multiply
    848,310.89x = 1,272,455.13 × 208,620.14
  4. Step 4: Simplify right side
    848,310.89x = 265,459,767,364.32
  5. Step 5: Solve for x
    x = 265,459,767,364.32/848,310.89
  6. Step 6: Final answer
    x = 312,927.45

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Double scale
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Similar ratio
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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.