Home / 677,815.86-1,016,014.23-228,381.42

Finding the Fourth Proportional to 677,815.86, 1,016,014.23 and 228,381.42

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Solution

The fourth proportional to 677,815.86, 1,016,014.23 and 228,381.42 is: 342,333.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,815.86 : 1,016,014.23 = 228,381.42 : x
  2. Step 2: Convert to fraction form
    677,815.86/1,016,014.23 = 228,381.42/x
  3. Step 3: Cross multiply
    677,815.86x = 1,016,014.23 × 228,381.42
  4. Step 4: Simplify right side
    677,815.86x = 232,038,772,587.61
  5. Step 5: Solve for x
    x = 232,038,772,587.61/677,815.86
  6. Step 6: Final answer
    x = 342,333.05

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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.