Home / 741,656.16-1,109,728.56-442,299.60

Finding the Fourth Proportional to 741,656.16, 1,109,728.56 and 442,299.60

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Solution

The fourth proportional to 741,656.16, 1,109,728.56 and 442,299.60 is: 661,806.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,656.16 : 1,109,728.56 = 442,299.60 : x
  2. Step 2: Convert to fraction form
    741,656.16/1,109,728.56 = 442,299.60/x
  3. Step 3: Cross multiply
    741,656.16x = 1,109,728.56 × 442,299.60
  4. Step 4: Simplify right side
    741,656.16x = 490,832,498,196.58
  5. Step 5: Solve for x
    x = 490,832,498,196.58/741,656.16
  6. Step 6: Final answer
    x = 661,806.00

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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.