Home / 775,939.52-1,164,193.59-326,773.46

Finding the Fourth Proportional to 775,939.52, 1,164,193.59 and 326,773.46

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Solution

The fourth proportional to 775,939.52, 1,164,193.59 and 326,773.46 is: 490,279.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,939.52 : 1,164,193.59 = 326,773.46 : x
  2. Step 2: Convert to fraction form
    775,939.52/1,164,193.59 = 326,773.46/x
  3. Step 3: Cross multiply
    775,939.52x = 1,164,193.59 × 326,773.46
  4. Step 4: Simplify right side
    775,939.52x = 380,427,567,514.12
  5. Step 5: Solve for x
    x = 380,427,567,514.12/775,939.52
  6. Step 6: Final answer
    x = 490,279.92

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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.