Home / 746,176.75-1,029,620.05-419,443.57

Finding the Fourth Proportional to 746,176.75, 1,029,620.05 and 419,443.57

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Solution

The fourth proportional to 746,176.75, 1,029,620.05 and 419,443.57 is: 578,773.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,176.75 : 1,029,620.05 = 419,443.57 : x
  2. Step 2: Convert to fraction form
    746,176.75/1,029,620.05 = 419,443.57/x
  3. Step 3: Cross multiply
    746,176.75x = 1,029,620.05 × 419,443.57
  4. Step 4: Simplify right side
    746,176.75x = 431,867,509,515.58
  5. Step 5: Solve for x
    x = 431,867,509,515.58/746,176.75
  6. Step 6: Final answer
    x = 578,773.74

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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.