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Finding the Fourth Proportional to 485,594.40, 727,808.40 and 248,815.20

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Solution

The fourth proportional to 485,594.40, 727,808.40 and 248,815.20 is: 372,923.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,594.40 : 727,808.40 = 248,815.20 : x
  2. Step 2: Convert to fraction form
    485,594.40/727,808.40 = 248,815.20/x
  3. Step 3: Cross multiply
    485,594.40x = 727,808.40 × 248,815.20
  4. Step 4: Simplify right side
    485,594.40x = 181,089,792,607.68
  5. Step 5: Solve for x
    x = 181,089,792,607.68/485,594.40
  6. Step 6: Final answer
    x = 372,923.97

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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.