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Finding the Fourth Proportional to 795,478.54, 1,097,785.08 and 451,328.92

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Solution

The fourth proportional to 795,478.54, 1,097,785.08 and 451,328.92 is: 622,847.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    795,478.54 : 1,097,785.08 = 451,328.92 : x
  2. Step 2: Convert to fraction form
    795,478.54/1,097,785.08 = 451,328.92/x
  3. Step 3: Cross multiply
    795,478.54x = 1,097,785.08 × 451,328.92
  4. Step 4: Simplify right side
    795,478.54x = 495,462,154,548.51
  5. Step 5: Solve for x
    x = 495,462,154,548.51/795,478.54
  6. Step 6: Final answer
    x = 622,847.92

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Double scale
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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.