Home / 639,284.64-958,677.48-239,707.44

Finding the Fourth Proportional to 639,284.64, 958,677.48 and 239,707.44

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Solution

The fourth proportional to 639,284.64, 958,677.48 and 239,707.44 is: 359,467.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,284.64 : 958,677.48 = 239,707.44 : x
  2. Step 2: Convert to fraction form
    639,284.64/958,677.48 = 239,707.44/x
  3. Step 3: Cross multiply
    639,284.64x = 958,677.48 × 239,707.44
  4. Step 4: Simplify right side
    639,284.64x = 229,802,124,516.45
  5. Step 5: Solve for x
    x = 229,802,124,516.45/639,284.64
  6. Step 6: Final answer
    x = 359,467.61

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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.