Home / 741,836.64-1,112,724.16-342,344.64

Finding the Fourth Proportional to 741,836.64, 1,112,724.16 and 342,344.64

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Solution

The fourth proportional to 741,836.64, 1,112,724.16 and 342,344.64 is: 513,502.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,836.64 : 1,112,724.16 = 342,344.64 : x
  2. Step 2: Convert to fraction form
    741,836.64/1,112,724.16 = 342,344.64/x
  3. Step 3: Cross multiply
    741,836.64x = 1,112,724.16 × 342,344.64
  4. Step 4: Simplify right side
    741,836.64x = 380,935,151,974.50
  5. Step 5: Solve for x
    x = 380,935,151,974.50/741,836.64
  6. Step 6: Final answer
    x = 513,502.75

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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.