Home / 659,321.37-988,927.38-210,024.09

Finding the Fourth Proportional to 659,321.37, 988,927.38 and 210,024.09

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Solution

The fourth proportional to 659,321.37, 988,927.38 and 210,024.09 is: 315,018.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,321.37 : 988,927.38 = 210,024.09 : x
  2. Step 2: Convert to fraction form
    659,321.37/988,927.38 = 210,024.09/x
  3. Step 3: Cross multiply
    659,321.37x = 988,927.38 × 210,024.09
  4. Step 4: Simplify right side
    659,321.37x = 207,698,573,060.58
  5. Step 5: Solve for x
    x = 207,698,573,060.58/659,321.37
  6. Step 6: Final answer
    x = 315,018.72

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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.