Home / 851,502.41-1,276,782.48-338,648.18

Finding the Fourth Proportional to 851,502.41, 1,276,782.48 and 338,648.18

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Solution

The fourth proportional to 851,502.41, 1,276,782.48 and 338,648.18 is: 507,784.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,502.41 : 1,276,782.48 = 338,648.18 : x
  2. Step 2: Convert to fraction form
    851,502.41/1,276,782.48 = 338,648.18/x
  3. Step 3: Cross multiply
    851,502.41x = 1,276,782.48 × 338,648.18
  4. Step 4: Simplify right side
    851,502.41x = 432,380,056,723.97
  5. Step 5: Solve for x
    x = 432,380,056,723.97/851,502.41
  6. Step 6: Final answer
    x = 507,784.89

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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.