Home / 669,146.74-1,003,195.23-331,950.22

Finding the Fourth Proportional to 669,146.74, 1,003,195.23 and 331,950.22

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Solution

The fourth proportional to 669,146.74, 1,003,195.23 and 331,950.22 is: 497,664.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,146.74 : 1,003,195.23 = 331,950.22 : x
  2. Step 2: Convert to fraction form
    669,146.74/1,003,195.23 = 331,950.22/x
  3. Step 3: Cross multiply
    669,146.74x = 1,003,195.23 × 331,950.22
  4. Step 4: Simplify right side
    669,146.74x = 333,010,877,301.45
  5. Step 5: Solve for x
    x = 333,010,877,301.45/669,146.74
  6. Step 6: Final answer
    x = 497,664.95

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Double scale
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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.