Home / 809,473.34-1,213,998.30-240,701.24

Finding the Fourth Proportional to 809,473.34, 1,213,998.30 and 240,701.24

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Solution

The fourth proportional to 809,473.34, 1,213,998.30 and 240,701.24 is: 360,988.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,473.34 : 1,213,998.30 = 240,701.24 : x
  2. Step 2: Convert to fraction form
    809,473.34/1,213,998.30 = 240,701.24/x
  3. Step 3: Cross multiply
    809,473.34x = 1,213,998.30 × 240,701.24
  4. Step 4: Simplify right side
    809,473.34x = 292,210,890,097.90
  5. Step 5: Solve for x
    x = 292,210,890,097.90/809,473.34
  6. Step 6: Final answer
    x = 360,988.90

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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.