Home / 677,749.59-1,016,329.07-228,386.70

Finding the Fourth Proportional to 677,749.59, 1,016,329.07 and 228,386.70

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Solution

The fourth proportional to 677,749.59, 1,016,329.07 and 228,386.70 is: 342,480.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,749.59 : 1,016,329.07 = 228,386.70 : x
  2. Step 2: Convert to fraction form
    677,749.59/1,016,329.07 = 228,386.70/x
  3. Step 3: Cross multiply
    677,749.59x = 1,016,329.07 × 228,386.70
  4. Step 4: Simplify right side
    677,749.59x = 232,116,042,982.34
  5. Step 5: Solve for x
    x = 232,116,042,982.34/677,749.59
  6. Step 6: Final answer
    x = 342,480.54

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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.