Home / 785,617.98-1,084,122.31-480,205.73

Finding the Fourth Proportional to 785,617.98, 1,084,122.31 and 480,205.73

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Solution

The fourth proportional to 785,617.98, 1,084,122.31 and 480,205.73 is: 662,665.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,617.98 : 1,084,122.31 = 480,205.73 : x
  2. Step 2: Convert to fraction form
    785,617.98/1,084,122.31 = 480,205.73/x
  3. Step 3: Cross multiply
    785,617.98x = 1,084,122.31 × 480,205.73
  4. Step 4: Simplify right side
    785,617.98x = 520,601,745,282.84
  5. Step 5: Solve for x
    x = 520,601,745,282.84/785,617.98
  6. Step 6: Final answer
    x = 662,665.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.