Home / 989,843.92-1,485,327.50-534,429.05

Finding the Fourth Proportional to 989,843.92, 1,485,327.50 and 534,429.05

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Solution

The fourth proportional to 989,843.92, 1,485,327.50 and 534,429.05 is: 801,946.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,843.92 : 1,485,327.50 = 534,429.05 : x
  2. Step 2: Convert to fraction form
    989,843.92/1,485,327.50 = 534,429.05/x
  3. Step 3: Cross multiply
    989,843.92x = 1,485,327.50 × 534,429.05
  4. Step 4: Simplify right side
    989,843.92x = 793,802,156,669.20
  5. Step 5: Solve for x
    x = 793,802,156,669.20/989,843.92
  6. Step 6: Final answer
    x = 801,946.79

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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.