Home / 677,989.80-1,016,952.30-228,666.60

Finding the Fourth Proportional to 677,989.80, 1,016,952.30 and 228,666.60

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Solution

The fourth proportional to 677,989.80, 1,016,952.30 and 228,666.60 is: 342,988.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,989.80 : 1,016,952.30 = 228,666.60 : x
  2. Step 2: Convert to fraction form
    677,989.80/1,016,952.30 = 228,666.60/x
  3. Step 3: Cross multiply
    677,989.80x = 1,016,952.30 × 228,666.60
  4. Step 4: Simplify right side
    677,989.80x = 232,543,024,803.18
  5. Step 5: Solve for x
    x = 232,543,024,803.18/677,989.80
  6. Step 6: Final answer
    x = 342,988.97

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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.