Home / 771,312.26-1,157,714.70-372,233.97

Finding the Fourth Proportional to 771,312.26, 1,157,714.70 and 372,233.97

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Solution

The fourth proportional to 771,312.26, 1,157,714.70 and 372,233.97 is: 558,711.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,312.26 : 1,157,714.70 = 372,233.97 : x
  2. Step 2: Convert to fraction form
    771,312.26/1,157,714.70 = 372,233.97/x
  3. Step 3: Cross multiply
    771,312.26x = 1,157,714.70 × 372,233.97
  4. Step 4: Simplify right side
    771,312.26x = 430,940,738,908.36
  5. Step 5: Solve for x
    x = 430,940,738,908.36/771,312.26
  6. Step 6: Final answer
    x = 558,711.13

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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.