Home / 826,625.36-1,140,449.52-540,310.64

Finding the Fourth Proportional to 826,625.36, 1,140,449.52 and 540,310.64

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Solution

The fourth proportional to 826,625.36, 1,140,449.52 and 540,310.64 is: 745,436.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,625.36 : 1,140,449.52 = 540,310.64 : x
  2. Step 2: Convert to fraction form
    826,625.36/1,140,449.52 = 540,310.64/x
  3. Step 3: Cross multiply
    826,625.36x = 1,140,449.52 × 540,310.64
  4. Step 4: Simplify right side
    826,625.36x = 616,197,010,038.89
  5. Step 5: Solve for x
    x = 616,197,010,038.89/826,625.36
  6. Step 6: Final answer
    x = 745,436.86

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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.