Home / 669,883.50-1,004,823.71-290,755.09

Finding the Fourth Proportional to 669,883.50, 1,004,823.71 and 290,755.09

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Solution

The fourth proportional to 669,883.50, 1,004,823.71 and 290,755.09 is: 436,131.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,883.50 : 1,004,823.71 = 290,755.09 : x
  2. Step 2: Convert to fraction form
    669,883.50/1,004,823.71 = 290,755.09/x
  3. Step 3: Cross multiply
    669,883.50x = 1,004,823.71 × 290,755.09
  4. Step 4: Simplify right side
    669,883.50x = 292,157,609,127.77
  5. Step 5: Solve for x
    x = 292,157,609,127.77/669,883.50
  6. Step 6: Final answer
    x = 436,131.97

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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.