Home / 800,575.74-1,104,613.83-478,222.92

Finding the Fourth Proportional to 800,575.74, 1,104,613.83 and 478,222.92

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Solution

The fourth proportional to 800,575.74, 1,104,613.83 and 478,222.92 is: 659,839.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,575.74 : 1,104,613.83 = 478,222.92 : x
  2. Step 2: Convert to fraction form
    800,575.74/1,104,613.83 = 478,222.92/x
  3. Step 3: Cross multiply
    800,575.74x = 1,104,613.83 × 478,222.92
  4. Step 4: Simplify right side
    800,575.74x = 528,251,651,254.98
  5. Step 5: Solve for x
    x = 528,251,651,254.98/800,575.74
  6. Step 6: Final answer
    x = 659,839.69

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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.