Home / 486,619.96-671,162.34-292,825.64

Finding the Fourth Proportional to 486,619.96, 671,162.34 and 292,825.64

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Solution

The fourth proportional to 486,619.96, 671,162.34 and 292,825.64 is: 403,874.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,619.96 : 671,162.34 = 292,825.64 : x
  2. Step 2: Convert to fraction form
    486,619.96/671,162.34 = 292,825.64/x
  3. Step 3: Cross multiply
    486,619.96x = 671,162.34 × 292,825.64
  4. Step 4: Simplify right side
    486,619.96x = 196,533,541,754.40
  5. Step 5: Solve for x
    x = 196,533,541,754.40/486,619.96
  6. Step 6: Final answer
    x = 403,874.81

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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.