Home / 771,768.72-1,157,765.04-239,332.56

Finding the Fourth Proportional to 771,768.72, 1,157,765.04 and 239,332.56

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Solution

The fourth proportional to 771,768.72, 1,157,765.04 and 239,332.56 is: 359,033.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,768.72 : 1,157,765.04 = 239,332.56 : x
  2. Step 2: Convert to fraction form
    771,768.72/1,157,765.04 = 239,332.56/x
  3. Step 3: Cross multiply
    771,768.72x = 1,157,765.04 × 239,332.56
  4. Step 4: Simplify right side
    771,768.72x = 277,090,870,901.70
  5. Step 5: Solve for x
    x = 277,090,870,901.70/771,768.72
  6. Step 6: Final answer
    x = 359,033.56

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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.