Home / 851,871.68-1,277,922.72-290,755.52

Finding the Fourth Proportional to 851,871.68, 1,277,922.72 and 290,755.52

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Solution

The fourth proportional to 851,871.68, 1,277,922.72 and 290,755.52 is: 436,172.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,871.68 : 1,277,922.72 = 290,755.52 : x
  2. Step 2: Convert to fraction form
    851,871.68/1,277,922.72 = 290,755.52/x
  3. Step 3: Cross multiply
    851,871.68x = 1,277,922.72 × 290,755.52
  4. Step 4: Simplify right side
    851,871.68x = 371,563,084,973.41
  5. Step 5: Solve for x
    x = 371,563,084,973.41/851,871.68
  6. Step 6: Final answer
    x = 436,172.60

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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.