Home / 980,294.70-1,470,532.68-381,301.32

Finding the Fourth Proportional to 980,294.70, 1,470,532.68 and 381,301.32

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Solution

The fourth proportional to 980,294.70, 1,470,532.68 and 381,301.32 is: 571,987.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,294.70 : 1,470,532.68 = 381,301.32 : x
  2. Step 2: Convert to fraction form
    980,294.70/1,470,532.68 = 381,301.32/x
  3. Step 3: Cross multiply
    980,294.70x = 1,470,532.68 × 381,301.32
  4. Step 4: Simplify right side
    980,294.70x = 560,716,051,987.14
  5. Step 5: Solve for x
    x = 560,716,051,987.14/980,294.70
  6. Step 6: Final answer
    x = 571,987.23

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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.