Home / 746,402.31-1,030,033.62-419,716.44

Finding the Fourth Proportional to 746,402.31, 1,030,033.62 and 419,716.44

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Solution

The fourth proportional to 746,402.31, 1,030,033.62 and 419,716.44 is: 579,207.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,402.31 : 1,030,033.62 = 419,716.44 : x
  2. Step 2: Convert to fraction form
    746,402.31/1,030,033.62 = 419,716.44/x
  3. Step 3: Cross multiply
    746,402.31x = 1,030,033.62 × 419,716.44
  4. Step 4: Simplify right side
    746,402.31x = 432,322,044,066.71
  5. Step 5: Solve for x
    x = 432,322,044,066.71/746,402.31
  6. Step 6: Final answer
    x = 579,207.81

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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.