Home / 497,110.36-686,012.05-270,755.86

Finding the Fourth Proportional to 497,110.36, 686,012.05 and 270,755.86

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Solution

The fourth proportional to 497,110.36, 686,012.05 and 270,755.86 is: 373,642.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,110.36 : 686,012.05 = 270,755.86 : x
  2. Step 2: Convert to fraction form
    497,110.36/686,012.05 = 270,755.86/x
  3. Step 3: Cross multiply
    497,110.36x = 686,012.05 × 270,755.86
  4. Step 4: Simplify right side
    497,110.36x = 185,741,782,568.11
  5. Step 5: Solve for x
    x = 185,741,782,568.11/497,110.36
  6. Step 6: Final answer
    x = 373,642.95

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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.