Home / 775,429.98-1,069,935.18-453,077.73

Finding the Fourth Proportional to 775,429.98, 1,069,935.18 and 453,077.73

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Solution

The fourth proportional to 775,429.98, 1,069,935.18 and 453,077.73 is: 625,154.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,429.98 : 1,069,935.18 = 453,077.73 : x
  2. Step 2: Convert to fraction form
    775,429.98/1,069,935.18 = 453,077.73/x
  3. Step 3: Cross multiply
    775,429.98x = 1,069,935.18 × 453,077.73
  4. Step 4: Simplify right side
    775,429.98x = 484,763,802,601.54
  5. Step 5: Solve for x
    x = 484,763,802,601.54/775,429.98
  6. Step 6: Final answer
    x = 625,154.84

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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.