Home / 809,088.58-1,213,764.50-303,689.26

Finding the Fourth Proportional to 809,088.58, 1,213,764.50 and 303,689.26

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Solution

The fourth proportional to 809,088.58, 1,213,764.50 and 303,689.26 is: 455,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,088.58 : 1,213,764.50 = 303,689.26 : x
  2. Step 2: Convert to fraction form
    809,088.58/1,213,764.50 = 303,689.26/x
  3. Step 3: Cross multiply
    809,088.58x = 1,213,764.50 × 303,689.26
  4. Step 4: Simplify right side
    809,088.58x = 368,607,242,819.27
  5. Step 5: Solve for x
    x = 368,607,242,819.27/809,088.58
  6. Step 6: Final answer
    x = 455,583.30

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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.