Home / 771,723.46-1,157,628.94-239,320.18

Finding the Fourth Proportional to 771,723.46, 1,157,628.94 and 239,320.18

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Solution

The fourth proportional to 771,723.46, 1,157,628.94 and 239,320.18 is: 358,993.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,723.46 : 1,157,628.94 = 239,320.18 : x
  2. Step 2: Convert to fraction form
    771,723.46/1,157,628.94 = 239,320.18/x
  3. Step 3: Cross multiply
    771,723.46x = 1,157,628.94 × 239,320.18
  4. Step 4: Simplify right side
    771,723.46x = 277,043,965,097.41
  5. Step 5: Solve for x
    x = 277,043,965,097.41/771,723.46
  6. Step 6: Final answer
    x = 358,993.84

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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.