Home / 884,367.82-1,326,225.39-315,596.78

Finding the Fourth Proportional to 884,367.82, 1,326,225.39 and 315,596.78

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Solution

The fourth proportional to 884,367.82, 1,326,225.39 and 315,596.78 is: 473,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,367.82 : 1,326,225.39 = 315,596.78 : x
  2. Step 2: Convert to fraction form
    884,367.82/1,326,225.39 = 315,596.78/x
  3. Step 3: Cross multiply
    884,367.82x = 1,326,225.39 × 315,596.78
  4. Step 4: Simplify right side
    884,367.82x = 418,552,464,858.39
  5. Step 5: Solve for x
    x = 418,552,464,858.39/884,367.82
  6. Step 6: Final answer
    x = 473,278.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.