Home / 571,778.07-789,148.22-317,211.27

Finding the Fourth Proportional to 571,778.07, 789,148.22 and 317,211.27

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Solution

The fourth proportional to 571,778.07, 789,148.22 and 317,211.27 is: 437,803.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,778.07 : 789,148.22 = 317,211.27 : x
  2. Step 2: Convert to fraction form
    571,778.07/789,148.22 = 317,211.27/x
  3. Step 3: Cross multiply
    571,778.07x = 789,148.22 × 317,211.27
  4. Step 4: Simplify right side
    571,778.07x = 250,326,707,498.38
  5. Step 5: Solve for x
    x = 250,326,707,498.38/571,778.07
  6. Step 6: Final answer
    x = 437,803.97

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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.