Home / 800,609.98-1,104,732.64-478,251.64

Finding the Fourth Proportional to 800,609.98, 1,104,732.64 and 478,251.64

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Solution

The fourth proportional to 800,609.98, 1,104,732.64 and 478,251.64 is: 659,922.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,609.98 : 1,104,732.64 = 478,251.64 : x
  2. Step 2: Convert to fraction form
    800,609.98/1,104,732.64 = 478,251.64/x
  3. Step 3: Cross multiply
    800,609.98x = 1,104,732.64 × 478,251.64
  4. Step 4: Simplify right side
    800,609.98x = 528,340,196,841.53
  5. Step 5: Solve for x
    x = 528,340,196,841.53/800,609.98
  6. Step 6: Final answer
    x = 659,922.07

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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.