Home / 979,968.97-1,470,333.75-381,350.62

Finding the Fourth Proportional to 979,968.97, 1,470,333.75 and 381,350.62

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Solution

The fourth proportional to 979,968.97, 1,470,333.75 and 381,350.62 is: 572,173.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,968.97 : 1,470,333.75 = 381,350.62 : x
  2. Step 2: Convert to fraction form
    979,968.97/1,470,333.75 = 381,350.62/x
  3. Step 3: Cross multiply
    979,968.97x = 1,470,333.75 × 381,350.62
  4. Step 4: Simplify right side
    979,968.97x = 560,712,687,169.43
  5. Step 5: Solve for x
    x = 560,712,687,169.43/979,968.97
  6. Step 6: Final answer
    x = 572,173.92

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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.