Home / 741,289.89-1,111,513.49-291,767.08

Finding the Fourth Proportional to 741,289.89, 1,111,513.49 and 291,767.08

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Solution

The fourth proportional to 741,289.89, 1,111,513.49 and 291,767.08 is: 437,484.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,289.89 : 1,111,513.49 = 291,767.08 : x
  2. Step 2: Convert to fraction form
    741,289.89/1,111,513.49 = 291,767.08/x
  3. Step 3: Cross multiply
    741,289.89x = 1,111,513.49 × 291,767.08
  4. Step 4: Simplify right side
    741,289.89x = 324,303,045,357.91
  5. Step 5: Solve for x
    x = 324,303,045,357.91/741,289.89
  6. Step 6: Final answer
    x = 437,484.78

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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.