Home / 808,216.70-1,212,325.05-493,288.70

Finding the Fourth Proportional to 808,216.70, 1,212,325.05 and 493,288.70

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Solution

The fourth proportional to 808,216.70, 1,212,325.05 and 493,288.70 is: 739,933.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,216.70 : 1,212,325.05 = 493,288.70 : x
  2. Step 2: Convert to fraction form
    808,216.70/1,212,325.05 = 493,288.70/x
  3. Step 3: Cross multiply
    808,216.70x = 1,212,325.05 × 493,288.70
  4. Step 4: Simplify right side
    808,216.70x = 598,026,247,891.94
  5. Step 5: Solve for x
    x = 598,026,247,891.94/808,216.70
  6. Step 6: Final answer
    x = 739,933.05

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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.