Home / 899,725.88-1,349,963.64-394,649.57

Finding the Fourth Proportional to 899,725.88, 1,349,963.64 and 394,649.57

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Solution

The fourth proportional to 899,725.88, 1,349,963.64 and 394,649.57 is: 592,138.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,725.88 : 1,349,963.64 = 394,649.57 : x
  2. Step 2: Convert to fraction form
    899,725.88/1,349,963.64 = 394,649.57/x
  3. Step 3: Cross multiply
    899,725.88x = 1,349,963.64 × 394,649.57
  4. Step 4: Simplify right side
    899,725.88x = 532,762,563,291.82
  5. Step 5: Solve for x
    x = 532,762,563,291.82/899,725.88
  6. Step 6: Final answer
    x = 592,138.76

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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.