Home / 668,018.52-1,001,500.74-331,175.16

Finding the Fourth Proportional to 668,018.52, 1,001,500.74 and 331,175.16

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Solution

The fourth proportional to 668,018.52, 1,001,500.74 and 331,175.16 is: 496,501.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,018.52 : 1,001,500.74 = 331,175.16 : x
  2. Step 2: Convert to fraction form
    668,018.52/1,001,500.74 = 331,175.16/x
  3. Step 3: Cross multiply
    668,018.52x = 1,001,500.74 × 331,175.16
  4. Step 4: Simplify right side
    668,018.52x = 331,672,167,809.62
  5. Step 5: Solve for x
    x = 331,672,167,809.62/668,018.52
  6. Step 6: Final answer
    x = 496,501.46

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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.