Home / 493,085.25-680,458.23-266,730.75

Finding the Fourth Proportional to 493,085.25, 680,458.23 and 266,730.75

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Solution

The fourth proportional to 493,085.25, 680,458.23 and 266,730.75 is: 368,088.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,085.25 : 680,458.23 = 266,730.75 : x
  2. Step 2: Convert to fraction form
    493,085.25/680,458.23 = 266,730.75/x
  3. Step 3: Cross multiply
    493,085.25x = 680,458.23 × 266,730.75
  4. Step 4: Simplify right side
    493,085.25x = 181,499,134,031.57
  5. Step 5: Solve for x
    x = 181,499,134,031.57/493,085.25
  6. Step 6: Final answer
    x = 368,088.75

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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.