Home / 741,744.32-1,113,073.32-292,388.72

Finding the Fourth Proportional to 741,744.32, 1,113,073.32 and 292,388.72

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Solution

The fourth proportional to 741,744.32, 1,113,073.32 and 292,388.72 is: 438,763.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,744.32 : 1,113,073.32 = 292,388.72 : x
  2. Step 2: Convert to fraction form
    741,744.32/1,113,073.32 = 292,388.72/x
  3. Step 3: Cross multiply
    741,744.32x = 1,113,073.32 × 292,388.72
  4. Step 4: Simplify right side
    741,744.32x = 325,450,083,300.95
  5. Step 5: Solve for x
    x = 325,450,083,300.95/741,744.32
  6. Step 6: Final answer
    x = 438,763.16

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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.