Home / 741,864.30-1,112,468.40-342,299.40

Finding the Fourth Proportional to 741,864.30, 1,112,468.40 and 342,299.40

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Solution

The fourth proportional to 741,864.30, 1,112,468.40 and 342,299.40 is: 513,297.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,864.30 : 1,112,468.40 = 342,299.40 : x
  2. Step 2: Convert to fraction form
    741,864.30/1,112,468.40 = 342,299.40/x
  3. Step 3: Cross multiply
    741,864.30x = 1,112,468.40 × 342,299.40
  4. Step 4: Simplify right side
    741,864.30x = 380,797,265,838.96
  5. Step 5: Solve for x
    x = 380,797,265,838.96/741,864.30
  6. Step 6: Final answer
    x = 513,297.74

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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.