Home / 722,486.34-1,084,085.61-338,261.17

Finding the Fourth Proportional to 722,486.34, 1,084,085.61 and 338,261.17

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Solution

The fourth proportional to 722,486.34, 1,084,085.61 and 338,261.17 is: 507,558.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,486.34 : 1,084,085.61 = 338,261.17 : x
  2. Step 2: Convert to fraction form
    722,486.34/1,084,085.61 = 338,261.17/x
  3. Step 3: Cross multiply
    722,486.34x = 1,084,085.61 × 338,261.17
  4. Step 4: Simplify right side
    722,486.34x = 366,704,067,921.72
  5. Step 5: Solve for x
    x = 366,704,067,921.72/722,486.34
  6. Step 6: Final answer
    x = 507,558.48

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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.