Home / 485,467.22-670,182.50-376,330.46

Finding the Fourth Proportional to 485,467.22, 670,182.50 and 376,330.46

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Solution

The fourth proportional to 485,467.22, 670,182.50 and 376,330.46 is: 519,520.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,467.22 : 670,182.50 = 376,330.46 : x
  2. Step 2: Convert to fraction form
    485,467.22/670,182.50 = 376,330.46/x
  3. Step 3: Cross multiply
    485,467.22x = 670,182.50 × 376,330.46
  4. Step 4: Simplify right side
    485,467.22x = 252,210,088,508.95
  5. Step 5: Solve for x
    x = 252,210,088,508.95/485,467.22
  6. Step 6: Final answer
    x = 519,520.33

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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.