Home / 496,904.76-685,790.28-282,114.36

Finding the Fourth Proportional to 496,904.76, 685,790.28 and 282,114.36

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Solution

The fourth proportional to 496,904.76, 685,790.28 and 282,114.36 is: 389,352.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,904.76 : 685,790.28 = 282,114.36 : x
  2. Step 2: Convert to fraction form
    496,904.76/685,790.28 = 282,114.36/x
  3. Step 3: Cross multiply
    496,904.76x = 685,790.28 × 282,114.36
  4. Step 4: Simplify right side
    496,904.76x = 193,471,285,936.42
  5. Step 5: Solve for x
    x = 193,471,285,936.42/496,904.76
  6. Step 6: Final answer
    x = 389,352.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.