Home / 741,023.10-1,022,612.85-401,491.08

Finding the Fourth Proportional to 741,023.10, 1,022,612.85 and 401,491.08

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Solution

The fourth proportional to 741,023.10, 1,022,612.85 and 401,491.08 is: 554,058.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,023.10 : 1,022,612.85 = 401,491.08 : x
  2. Step 2: Convert to fraction form
    741,023.10/1,022,612.85 = 401,491.08/x
  3. Step 3: Cross multiply
    741,023.10x = 1,022,612.85 × 401,491.08
  4. Step 4: Simplify right side
    741,023.10x = 410,569,937,568.38
  5. Step 5: Solve for x
    x = 410,569,937,568.38/741,023.10
  6. Step 6: Final answer
    x = 554,058.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.