Home / 767,620.06-1,150,625.73-430,165.96

Finding the Fourth Proportional to 767,620.06, 1,150,625.73 and 430,165.96

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Solution

The fourth proportional to 767,620.06, 1,150,625.73 and 430,165.96 is: 644,798.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,620.06 : 1,150,625.73 = 430,165.96 : x
  2. Step 2: Convert to fraction form
    767,620.06/1,150,625.73 = 430,165.96/x
  3. Step 3: Cross multiply
    767,620.06x = 1,150,625.73 × 430,165.96
  4. Step 4: Simplify right side
    767,620.06x = 494,960,021,746.15
  5. Step 5: Solve for x
    x = 494,960,021,746.15/767,620.06
  6. Step 6: Final answer
    x = 644,798.19

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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.