Home / 787,356.98-1,179,259.83-365,745.62

Finding the Fourth Proportional to 787,356.98, 1,179,259.83 and 365,745.62

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Solution

The fourth proportional to 787,356.98, 1,179,259.83 and 365,745.62 is: 547,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,356.98 : 1,179,259.83 = 365,745.62 : x
  2. Step 2: Convert to fraction form
    787,356.98/1,179,259.83 = 365,745.62/x
  3. Step 3: Cross multiply
    787,356.98x = 1,179,259.83 × 365,745.62
  4. Step 4: Simplify right side
    787,356.98x = 431,309,117,664.45
  5. Step 5: Solve for x
    x = 431,309,117,664.45/787,356.98
  6. Step 6: Final answer
    x = 547,793.60

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1.5x scale

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.