Home / 741,823.43-1,112,701.71-309,362.81

Finding the Fourth Proportional to 741,823.43, 1,112,701.71 and 309,362.81

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Solution

The fourth proportional to 741,823.43, 1,112,701.71 and 309,362.81 is: 464,030.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,823.43 : 1,112,701.71 = 309,362.81 : x
  2. Step 2: Convert to fraction form
    741,823.43/1,112,701.71 = 309,362.81/x
  3. Step 3: Cross multiply
    741,823.43x = 1,112,701.71 × 309,362.81
  4. Step 4: Simplify right side
    741,823.43x = 344,228,527,812.79
  5. Step 5: Solve for x
    x = 344,228,527,812.79/741,823.43
  6. Step 6: Final answer
    x = 464,030.27

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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.