Home / 434,336.10-651,513.60-305,726.82

Finding the Fourth Proportional to 434,336.10, 651,513.60 and 305,726.82

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Solution

The fourth proportional to 434,336.10, 651,513.60 and 305,726.82 is: 458,596.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,336.10 : 651,513.60 = 305,726.82 : x
  2. Step 2: Convert to fraction form
    434,336.10/651,513.60 = 305,726.82/x
  3. Step 3: Cross multiply
    434,336.10x = 651,513.60 × 305,726.82
  4. Step 4: Simplify right side
    434,336.10x = 199,185,181,114.75
  5. Step 5: Solve for x
    x = 199,185,181,114.75/434,336.10
  6. Step 6: Final answer
    x = 458,596.88

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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.