Home / 815,914.39-1,223,449.21-366,248.06

Finding the Fourth Proportional to 815,914.39, 1,223,449.21 and 366,248.06

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Solution

The fourth proportional to 815,914.39, 1,223,449.21 and 366,248.06 is: 549,182.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,914.39 : 1,223,449.21 = 366,248.06 : x
  2. Step 2: Convert to fraction form
    815,914.39/1,223,449.21 = 366,248.06/x
  3. Step 3: Cross multiply
    815,914.39x = 1,223,449.21 × 366,248.06
  4. Step 4: Simplify right side
    815,914.39x = 448,085,895,158.58
  5. Step 5: Solve for x
    x = 448,085,895,158.58/815,914.39
  6. Step 6: Final answer
    x = 549,182.49

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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.