Home / 669,145.74-1,003,193.73-331,949.22

Finding the Fourth Proportional to 669,145.74, 1,003,193.73 and 331,949.22

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Solution

The fourth proportional to 669,145.74, 1,003,193.73 and 331,949.22 is: 497,663.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,145.74 : 1,003,193.73 = 331,949.22 : x
  2. Step 2: Convert to fraction form
    669,145.74/1,003,193.73 = 331,949.22/x
  3. Step 3: Cross multiply
    669,145.74x = 1,003,193.73 × 331,949.22
  4. Step 4: Simplify right side
    669,145.74x = 333,009,376,182.39
  5. Step 5: Solve for x
    x = 333,009,376,182.39/669,145.74
  6. Step 6: Final answer
    x = 497,663.45

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1.5x scale

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.