Home / 800,608.98-1,104,731.27-478,250.64

Finding the Fourth Proportional to 800,608.98, 1,104,731.27 and 478,250.64

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Solution

The fourth proportional to 800,608.98, 1,104,731.27 and 478,250.64 is: 659,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,608.98 : 1,104,731.27 = 478,250.64 : x
  2. Step 2: Convert to fraction form
    800,608.98/1,104,731.27 = 478,250.64/x
  3. Step 3: Cross multiply
    800,608.98x = 1,104,731.27 × 478,250.64
  4. Step 4: Simplify right side
    800,608.98x = 528,338,434,514.26
  5. Step 5: Solve for x
    x = 528,338,434,514.26/800,608.98
  6. Step 6: Final answer
    x = 659,920.70

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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.