Home / 717,914.80-1,076,872.20-418,733.20

Finding the Fourth Proportional to 717,914.80, 1,076,872.20 and 418,733.20

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Solution

The fourth proportional to 717,914.80, 1,076,872.20 and 418,733.20 is: 628,099.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,914.80 : 1,076,872.20 = 418,733.20 : x
  2. Step 2: Convert to fraction form
    717,914.80/1,076,872.20 = 418,733.20/x
  3. Step 3: Cross multiply
    717,914.80x = 1,076,872.20 × 418,733.20
  4. Step 4: Simplify right side
    717,914.80x = 450,922,142,297.04
  5. Step 5: Solve for x
    x = 450,922,142,297.04/717,914.80
  6. Step 6: Final answer
    x = 628,099.80

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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.