Home / 651,159.20-976,738.80-414,671.60

Finding the Fourth Proportional to 651,159.20, 976,738.80 and 414,671.60

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Solution

The fourth proportional to 651,159.20, 976,738.80 and 414,671.60 is: 622,007.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,159.20 : 976,738.80 = 414,671.60 : x
  2. Step 2: Convert to fraction form
    651,159.20/976,738.80 = 414,671.60/x
  3. Step 3: Cross multiply
    651,159.20x = 976,738.80 × 414,671.60
  4. Step 4: Simplify right side
    651,159.20x = 405,025,840,978.08
  5. Step 5: Solve for x
    x = 405,025,840,978.08/651,159.20
  6. Step 6: Final answer
    x = 622,007.40

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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.