Home / 851,569.26-1,175,111.92-488,737.74

Finding the Fourth Proportional to 851,569.26, 1,175,111.92 and 488,737.74

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Solution

The fourth proportional to 851,569.26, 1,175,111.92 and 488,737.74 is: 674,427.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,569.26 : 1,175,111.92 = 488,737.74 : x
  2. Step 2: Convert to fraction form
    851,569.26/1,175,111.92 = 488,737.74/x
  3. Step 3: Cross multiply
    851,569.26x = 1,175,111.92 × 488,737.74
  4. Step 4: Simplify right side
    851,569.26x = 574,321,544,027.86
  5. Step 5: Solve for x
    x = 574,321,544,027.86/851,569.26
  6. Step 6: Final answer
    x = 674,427.29

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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.