Home / 668,733.20-1,003,175.91-242,469.77

Finding the Fourth Proportional to 668,733.20, 1,003,175.91 and 242,469.77

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Solution

The fourth proportional to 668,733.20, 1,003,175.91 and 242,469.77 is: 363,732.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,733.20 : 1,003,175.91 = 242,469.77 : x
  2. Step 2: Convert to fraction form
    668,733.20/1,003,175.91 = 242,469.77/x
  3. Step 3: Cross multiply
    668,733.20x = 1,003,175.91 × 242,469.77
  4. Step 4: Simplify right side
    668,733.20x = 243,239,827,151.36
  5. Step 5: Solve for x
    x = 243,239,827,151.36/668,733.20
  6. Step 6: Final answer
    x = 363,732.25

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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.