Home / 555,442.22-766,293.24-322,830.50

Finding the Fourth Proportional to 555,442.22, 766,293.24 and 322,830.50

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Solution

The fourth proportional to 555,442.22, 766,293.24 and 322,830.50 is: 445,379.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,442.22 : 766,293.24 = 322,830.50 : x
  2. Step 2: Convert to fraction form
    555,442.22/766,293.24 = 322,830.50/x
  3. Step 3: Cross multiply
    555,442.22x = 766,293.24 × 322,830.50
  4. Step 4: Simplify right side
    555,442.22x = 247,382,829,815.82
  5. Step 5: Solve for x
    x = 247,382,829,815.82/555,442.22
  6. Step 6: Final answer
    x = 445,379.95

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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.