Home / 848,478.26-1,170,904.59-499,633.80

Finding the Fourth Proportional to 848,478.26, 1,170,904.59 and 499,633.80

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Solution

The fourth proportional to 848,478.26, 1,170,904.59 and 499,633.80 is: 689,497.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,478.26 : 1,170,904.59 = 499,633.80 : x
  2. Step 2: Convert to fraction form
    848,478.26/1,170,904.59 = 499,633.80/x
  3. Step 3: Cross multiply
    848,478.26x = 1,170,904.59 × 499,633.80
  4. Step 4: Simplify right side
    848,478.26x = 585,023,509,739.14
  5. Step 5: Solve for x
    x = 585,023,509,739.14/848,478.26
  6. Step 6: Final answer
    x = 689,497.35

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Double scale
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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.