Home / 741,412.64-1,111,258.56-341,213.12

Finding the Fourth Proportional to 741,412.64, 1,111,258.56 and 341,213.12

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Solution

The fourth proportional to 741,412.64, 1,111,258.56 and 341,213.12 is: 511,423.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,412.64 : 1,111,258.56 = 341,213.12 : x
  2. Step 2: Convert to fraction form
    741,412.64/1,111,258.56 = 341,213.12/x
  3. Step 3: Cross multiply
    741,412.64x = 1,111,258.56 × 341,213.12
  4. Step 4: Simplify right side
    741,412.64x = 379,176,000,384.31
  5. Step 5: Solve for x
    x = 379,176,000,384.31/741,412.64
  6. Step 6: Final answer
    x = 511,423.71

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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.