Home / 677,434.79-1,016,153.98-228,471.03

Finding the Fourth Proportional to 677,434.79, 1,016,153.98 and 228,471.03

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Solution

The fourth proportional to 677,434.79, 1,016,153.98 and 228,471.03 is: 342,707.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,434.79 : 1,016,153.98 = 228,471.03 : x
  2. Step 2: Convert to fraction form
    677,434.79/1,016,153.98 = 228,471.03/x
  3. Step 3: Cross multiply
    677,434.79x = 1,016,153.98 × 228,471.03
  4. Step 4: Simplify right side
    677,434.79x = 232,161,745,878.02
  5. Step 5: Solve for x
    x = 232,161,745,878.02/677,434.79
  6. Step 6: Final answer
    x = 342,707.15

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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.