Home / 775,441.76-1,070,098.56-435,910.56

Finding the Fourth Proportional to 775,441.76, 1,070,098.56 and 435,910.56

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Solution

The fourth proportional to 775,441.76, 1,070,098.56 and 435,910.56 is: 601,550.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,441.76 : 1,070,098.56 = 435,910.56 : x
  2. Step 2: Convert to fraction form
    775,441.76/1,070,098.56 = 435,910.56/x
  3. Step 3: Cross multiply
    775,441.76x = 1,070,098.56 × 435,910.56
  4. Step 4: Simplify right side
    775,441.76x = 466,467,262,544.79
  5. Step 5: Solve for x
    x = 466,467,262,544.79/775,441.76
  6. Step 6: Final answer
    x = 601,550.35

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Double scale
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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.