Home / 439,427.88-606,475.18-278,297.91

Finding the Fourth Proportional to 439,427.88, 606,475.18 and 278,297.91

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Solution

The fourth proportional to 439,427.88, 606,475.18 and 278,297.91 is: 384,092.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,427.88 : 606,475.18 = 278,297.91 : x
  2. Step 2: Convert to fraction form
    439,427.88/606,475.18 = 278,297.91/x
  3. Step 3: Cross multiply
    439,427.88x = 606,475.18 × 278,297.91
  4. Step 4: Simplify right side
    439,427.88x = 168,780,775,060.87
  5. Step 5: Solve for x
    x = 168,780,775,060.87/439,427.88
  6. Step 6: Final answer
    x = 384,092.10

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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.