Home / 771,724.46-1,157,630.44-239,321.18

Finding the Fourth Proportional to 771,724.46, 1,157,630.44 and 239,321.18

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Solution

The fourth proportional to 771,724.46, 1,157,630.44 and 239,321.18 is: 358,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,724.46 : 1,157,630.44 = 239,321.18 : x
  2. Step 2: Convert to fraction form
    771,724.46/1,157,630.44 = 239,321.18/x
  3. Step 3: Cross multiply
    771,724.46x = 1,157,630.44 × 239,321.18
  4. Step 4: Simplify right side
    771,724.46x = 277,045,482,904.72
  5. Step 5: Solve for x
    x = 277,045,482,904.72/771,724.46
  6. Step 6: Final answer
    x = 358,995.34

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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.