Home / 746,320-1,029,922.32-406,789.60

Finding the Fourth Proportional to 746,320, 1,029,922.32 and 406,789.60

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Solution

The fourth proportional to 746,320, 1,029,922.32 and 406,789.60 is: 561,370.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,320 : 1,029,922.32 = 406,789.60 : x
  2. Step 2: Convert to fraction form
    746,320/1,029,922.32 = 406,789.60/x
  3. Step 3: Cross multiply
    746,320x = 1,029,922.32 × 406,789.60
  4. Step 4: Simplify right side
    746,320x = 418,961,688,583.87
  5. Step 5: Solve for x
    x = 418,961,688,583.87/746,320
  6. Step 6: Final answer
    x = 561,370.04

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