Home / 980,515.34-1,470,086.94-500,891.66

Finding the Fourth Proportional to 980,515.34, 1,470,086.94 and 500,891.66

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Solution

The fourth proportional to 980,515.34, 1,470,086.94 and 500,891.66 is: 750,987.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,515.34 : 1,470,086.94 = 500,891.66 : x
  2. Step 2: Convert to fraction form
    980,515.34/1,470,086.94 = 500,891.66/x
  3. Step 3: Cross multiply
    980,515.34x = 1,470,086.94 × 500,891.66
  4. Step 4: Simplify right side
    980,515.34x = 736,354,287,720.92
  5. Step 5: Solve for x
    x = 736,354,287,720.92/980,515.34
  6. Step 6: Final answer
    x = 750,987.01

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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.