Home / 434,339.10-651,518.10-305,729.82

Finding the Fourth Proportional to 434,339.10, 651,518.10 and 305,729.82

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Solution

The fourth proportional to 434,339.10, 651,518.10 and 305,729.82 is: 458,601.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,339.10 : 651,518.10 = 305,729.82 : x
  2. Step 2: Convert to fraction form
    434,339.10/651,518.10 = 305,729.82/x
  3. Step 3: Cross multiply
    434,339.10x = 651,518.10 × 305,729.82
  4. Step 4: Simplify right side
    434,339.10x = 199,188,511,439.74
  5. Step 5: Solve for x
    x = 199,188,511,439.74/434,339.10
  6. Step 6: Final answer
    x = 458,601.38

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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.