Home / 688,165.24-1,032,247.86-214,891.16

Finding the Fourth Proportional to 688,165.24, 1,032,247.86 and 214,891.16

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Solution

The fourth proportional to 688,165.24, 1,032,247.86 and 214,891.16 is: 322,336.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,165.24 : 1,032,247.86 = 214,891.16 : x
  2. Step 2: Convert to fraction form
    688,165.24/1,032,247.86 = 214,891.16/x
  3. Step 3: Cross multiply
    688,165.24x = 1,032,247.86 × 214,891.16
  4. Step 4: Simplify right side
    688,165.24x = 221,820,940,042.92
  5. Step 5: Solve for x
    x = 221,820,940,042.92/688,165.24
  6. Step 6: Final answer
    x = 322,336.74

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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.