Home / 808,089.32-1,115,162.90-463,947.45

Finding the Fourth Proportional to 808,089.32, 1,115,162.90 and 463,947.45

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Solution

The fourth proportional to 808,089.32, 1,115,162.90 and 463,947.45 is: 640,247.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,089.32 : 1,115,162.90 = 463,947.45 : x
  2. Step 2: Convert to fraction form
    808,089.32/1,115,162.90 = 463,947.45/x
  3. Step 3: Cross multiply
    808,089.32x = 1,115,162.90 × 463,947.45
  4. Step 4: Simplify right side
    808,089.32x = 517,376,981,469.87
  5. Step 5: Solve for x
    x = 517,376,981,469.87/808,089.32
  6. Step 6: Final answer
    x = 640,247.27

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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.