Home / 775,488.32-1,163,230.72-243,049.92

Finding the Fourth Proportional to 775,488.32, 1,163,230.72 and 243,049.92

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Solution

The fourth proportional to 775,488.32, 1,163,230.72 and 243,049.92 is: 364,574.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,488.32 : 1,163,230.72 = 243,049.92 : x
  2. Step 2: Convert to fraction form
    775,488.32/1,163,230.72 = 243,049.92/x
  3. Step 3: Cross multiply
    775,488.32x = 1,163,230.72 × 243,049.92
  4. Step 4: Simplify right side
    775,488.32x = 282,723,133,437.54
  5. Step 5: Solve for x
    x = 282,723,133,437.54/775,488.32
  6. Step 6: Final answer
    x = 364,574.33

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Double scale
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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.