Home / 809,463.81-1,213,984.07-240,691.74

Finding the Fourth Proportional to 809,463.81, 1,213,984.07 and 240,691.74

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Solution

The fourth proportional to 809,463.81, 1,213,984.07 and 240,691.74 is: 360,974.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,463.81 : 1,213,984.07 = 240,691.74 : x
  2. Step 2: Convert to fraction form
    809,463.81/1,213,984.07 = 240,691.74/x
  3. Step 3: Cross multiply
    809,463.81x = 1,213,984.07 × 240,691.74
  4. Step 4: Simplify right side
    809,463.81x = 292,195,938,140.58
  5. Step 5: Solve for x
    x = 292,195,938,140.58/809,463.81
  6. Step 6: Final answer
    x = 360,974.68

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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.