Home / 775,057.50-1,069,679.58-435,525.78

Finding the Fourth Proportional to 775,057.50, 1,069,679.58 and 435,525.78

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Solution

The fourth proportional to 775,057.50, 1,069,679.58 and 435,525.78 is: 601,081.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,057.50 : 1,069,679.58 = 435,525.78 : x
  2. Step 2: Convert to fraction form
    775,057.50/1,069,679.58 = 435,525.78/x
  3. Step 3: Cross multiply
    775,057.50x = 1,069,679.58 × 435,525.78
  4. Step 4: Simplify right side
    775,057.50x = 465,873,033,429.57
  5. Step 5: Solve for x
    x = 465,873,033,429.57/775,057.50
  6. Step 6: Final answer
    x = 601,081.90

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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.