Home / 942,678.32-1,300,874.82-512,959.64

Finding the Fourth Proportional to 942,678.32, 1,300,874.82 and 512,959.64

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Solution

The fourth proportional to 942,678.32, 1,300,874.82 and 512,959.64 is: 707,872.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,678.32 : 1,300,874.82 = 512,959.64 : x
  2. Step 2: Convert to fraction form
    942,678.32/1,300,874.82 = 512,959.64/x
  3. Step 3: Cross multiply
    942,678.32x = 1,300,874.82 × 512,959.64
  4. Step 4: Simplify right side
    942,678.32x = 667,296,279,352.27
  5. Step 5: Solve for x
    x = 667,296,279,352.27/942,678.32
  6. Step 6: Final answer
    x = 707,872.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.