Home / 741,997.20-1,113,038.88-209,473.65

Finding the Fourth Proportional to 741,997.20, 1,113,038.88 and 209,473.65

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Solution

The fourth proportional to 741,997.20, 1,113,038.88 and 209,473.65 is: 314,222.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,997.20 : 1,113,038.88 = 209,473.65 : x
  2. Step 2: Convert to fraction form
    741,997.20/1,113,038.88 = 209,473.65/x
  3. Step 3: Cross multiply
    741,997.20x = 1,113,038.88 × 209,473.65
  4. Step 4: Simplify right side
    741,997.20x = 233,152,316,785.51
  5. Step 5: Solve for x
    x = 233,152,316,785.51/741,997.20
  6. Step 6: Final answer
    x = 314,222.64

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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.