Home / 456,439.20-684,658.80-231,834.30

Finding the Fourth Proportional to 456,439.20, 684,658.80 and 231,834.30

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Solution

The fourth proportional to 456,439.20, 684,658.80 and 231,834.30 is: 347,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,439.20 : 684,658.80 = 231,834.30 : x
  2. Step 2: Convert to fraction form
    456,439.20/684,658.80 = 231,834.30/x
  3. Step 3: Cross multiply
    456,439.20x = 684,658.80 × 231,834.30
  4. Step 4: Simplify right side
    456,439.20x = 158,727,393,636.84
  5. Step 5: Solve for x
    x = 158,727,393,636.84/456,439.20
  6. Step 6: Final answer
    x = 347,751.45

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Similar ratio
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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.