Home / 989,039.39-1,483,170.89-349,206.62

Finding the Fourth Proportional to 989,039.39, 1,483,170.89 and 349,206.62

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Solution

The fourth proportional to 989,039.39, 1,483,170.89 and 349,206.62 is: 523,672.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,039.39 : 1,483,170.89 = 349,206.62 : x
  2. Step 2: Convert to fraction form
    989,039.39/1,483,170.89 = 349,206.62/x
  3. Step 3: Cross multiply
    989,039.39x = 1,483,170.89 × 349,206.62
  4. Step 4: Simplify right side
    989,039.39x = 517,933,084,217.40
  5. Step 5: Solve for x
    x = 517,933,084,217.40/989,039.39
  6. Step 6: Final answer
    x = 523,672.86

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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.