Home / 456,739.04-684,321.06-302,770.64

Finding the Fourth Proportional to 456,739.04, 684,321.06 and 302,770.64

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Solution

The fourth proportional to 456,739.04, 684,321.06 and 302,770.64 is: 453,633.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,739.04 : 684,321.06 = 302,770.64 : x
  2. Step 2: Convert to fraction form
    456,739.04/684,321.06 = 302,770.64/x
  3. Step 3: Cross multiply
    456,739.04x = 684,321.06 × 302,770.64
  4. Step 4: Simplify right side
    456,739.04x = 207,192,325,301.68
  5. Step 5: Solve for x
    x = 207,192,325,301.68/456,739.04
  6. Step 6: Final answer
    x = 453,633.93

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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.