Home / 456,412.20-684,618.30-231,807.30

Finding the Fourth Proportional to 456,412.20, 684,618.30 and 231,807.30

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Solution

The fourth proportional to 456,412.20, 684,618.30 and 231,807.30 is: 347,710.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,412.20 : 684,618.30 = 231,807.30 : x
  2. Step 2: Convert to fraction form
    456,412.20/684,618.30 = 231,807.30/x
  3. Step 3: Cross multiply
    456,412.20x = 684,618.30 × 231,807.30
  4. Step 4: Simplify right side
    456,412.20x = 158,699,519,653.59
  5. Step 5: Solve for x
    x = 158,699,519,653.59/456,412.20
  6. Step 6: Final answer
    x = 347,710.95

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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.