Home / 743,541.92-1,114,685.88-322,500.68

Finding the Fourth Proportional to 743,541.92, 1,114,685.88 and 322,500.68

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Solution

The fourth proportional to 743,541.92, 1,114,685.88 and 322,500.68 is: 483,479.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,541.92 : 1,114,685.88 = 322,500.68 : x
  2. Step 2: Convert to fraction form
    743,541.92/1,114,685.88 = 322,500.68/x
  3. Step 3: Cross multiply
    743,541.92x = 1,114,685.88 × 322,500.68
  4. Step 4: Simplify right side
    743,541.92x = 359,486,954,286.40
  5. Step 5: Solve for x
    x = 359,486,954,286.40/743,541.92
  6. Step 6: Final answer
    x = 483,479.07

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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.