Home / 560,939.32-774,093.18-306,288.70

Finding the Fourth Proportional to 560,939.32, 774,093.18 and 306,288.70

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Solution

The fourth proportional to 560,939.32, 774,093.18 and 306,288.70 is: 422,676.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,939.32 : 774,093.18 = 306,288.70 : x
  2. Step 2: Convert to fraction form
    560,939.32/774,093.18 = 306,288.70/x
  3. Step 3: Cross multiply
    560,939.32x = 774,093.18 × 306,288.70
  4. Step 4: Simplify right side
    560,939.32x = 237,095,993,781.07
  5. Step 5: Solve for x
    x = 237,095,993,781.07/560,939.32
  6. Step 6: Final answer
    x = 422,676.72

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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.