Home / 669,145.24-1,003,192.98-331,948.72

Finding the Fourth Proportional to 669,145.24, 1,003,192.98 and 331,948.72

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Solution

The fourth proportional to 669,145.24, 1,003,192.98 and 331,948.72 is: 497,662.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,145.24 : 1,003,192.98 = 331,948.72 : x
  2. Step 2: Convert to fraction form
    669,145.24/1,003,192.98 = 331,948.72/x
  3. Step 3: Cross multiply
    669,145.24x = 1,003,192.98 × 331,948.72
  4. Step 4: Simplify right side
    669,145.24x = 333,008,625,623.99
  5. Step 5: Solve for x
    x = 333,008,625,623.99/669,145.24
  6. Step 6: Final answer
    x = 497,662.70

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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.