Home / 741,748.32-1,113,079.32-292,392.72

Finding the Fourth Proportional to 741,748.32, 1,113,079.32 and 292,392.72

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Solution

The fourth proportional to 741,748.32, 1,113,079.32 and 292,392.72 is: 438,769.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,748.32 : 1,113,079.32 = 292,392.72 : x
  2. Step 2: Convert to fraction form
    741,748.32/1,113,079.32 = 292,392.72/x
  3. Step 3: Cross multiply
    741,748.32x = 1,113,079.32 × 292,392.72
  4. Step 4: Simplify right side
    741,748.32x = 325,456,289,950.55
  5. Step 5: Solve for x
    x = 325,456,289,950.55/741,748.32
  6. Step 6: Final answer
    x = 438,769.16

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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.