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Finding the Fourth Proportional to 677,466.80, 1,016,593.86 and 303,489.80

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Solution

The fourth proportional to 677,466.80, 1,016,593.86 and 303,489.80 is: 455,411.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,466.80 : 1,016,593.86 = 303,489.80 : x
  2. Step 2: Convert to fraction form
    677,466.80/1,016,593.86 = 303,489.80/x
  3. Step 3: Cross multiply
    677,466.80x = 1,016,593.86 × 303,489.80
  4. Step 4: Simplify right side
    677,466.80x = 308,525,867,252.63
  5. Step 5: Solve for x
    x = 308,525,867,252.63/677,466.80
  6. Step 6: Final answer
    x = 455,411.05

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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.