Home / 459,846.19-689,761.32-206,947.72

Finding the Fourth Proportional to 459,846.19, 689,761.32 and 206,947.72

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Solution

The fourth proportional to 459,846.19, 689,761.32 and 206,947.72 is: 310,418.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,846.19 : 689,761.32 = 206,947.72 : x
  2. Step 2: Convert to fraction form
    459,846.19/689,761.32 = 206,947.72/x
  3. Step 3: Cross multiply
    459,846.19x = 689,761.32 × 206,947.72
  4. Step 4: Simplify right side
    459,846.19x = 142,744,532,518.19
  5. Step 5: Solve for x
    x = 142,744,532,518.19/459,846.19
  6. Step 6: Final answer
    x = 310,418.00

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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.