Home / 741,416.64-1,111,264.56-341,217.12

Finding the Fourth Proportional to 741,416.64, 1,111,264.56 and 341,217.12

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Solution

The fourth proportional to 741,416.64, 1,111,264.56 and 341,217.12 is: 511,429.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,416.64 : 1,111,264.56 = 341,217.12 : x
  2. Step 2: Convert to fraction form
    741,416.64/1,111,264.56 = 341,217.12/x
  3. Step 3: Cross multiply
    741,416.64x = 1,111,264.56 × 341,217.12
  4. Step 4: Simplify right side
    741,416.64x = 379,182,492,721.27
  5. Step 5: Solve for x
    x = 379,182,492,721.27/741,416.64
  6. Step 6: Final answer
    x = 511,429.70

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Double scale
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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.