Home / 775,789.28-1,070,595.84-436,254.56

Finding the Fourth Proportional to 775,789.28, 1,070,595.84 and 436,254.56

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Solution

The fourth proportional to 775,789.28, 1,070,595.84 and 436,254.56 is: 602,035.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,789.28 : 1,070,595.84 = 436,254.56 : x
  2. Step 2: Convert to fraction form
    775,789.28/1,070,595.84 = 436,254.56/x
  3. Step 3: Cross multiply
    775,789.28x = 1,070,595.84 × 436,254.56
  4. Step 4: Simplify right side
    775,789.28x = 467,052,317,117.03
  5. Step 5: Solve for x
    x = 467,052,317,117.03/775,789.28
  6. Step 6: Final answer
    x = 602,035.02

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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.