Home / 848,236.75-1,170,569.15-485,666.17

Finding the Fourth Proportional to 848,236.75, 1,170,569.15 and 485,666.17

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Solution

The fourth proportional to 848,236.75, 1,170,569.15 and 485,666.17 is: 670,220.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,236.75 : 1,170,569.15 = 485,666.17 : x
  2. Step 2: Convert to fraction form
    848,236.75/1,170,569.15 = 485,666.17/x
  3. Step 3: Cross multiply
    848,236.75x = 1,170,569.15 × 485,666.17
  4. Step 4: Simplify right side
    848,236.75x = 568,505,835,800.66
  5. Step 5: Solve for x
    x = 568,505,835,800.66/848,236.75
  6. Step 6: Final answer
    x = 670,220.71

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.