Home / 456,412.14-684,780.39-203,669.64

Finding the Fourth Proportional to 456,412.14, 684,780.39 and 203,669.64

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Solution

The fourth proportional to 456,412.14, 684,780.39 and 203,669.64 is: 305,576.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,412.14 : 684,780.39 = 203,669.64 : x
  2. Step 2: Convert to fraction form
    456,412.14/684,780.39 = 203,669.64/x
  3. Step 3: Cross multiply
    456,412.14x = 684,780.39 × 203,669.64
  4. Step 4: Simplify right side
    456,412.14x = 139,468,975,510.36
  5. Step 5: Solve for x
    x = 139,468,975,510.36/456,412.14
  6. Step 6: Final answer
    x = 305,576.83

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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.