Home / 980,517.36-1,470,089.92-500,893.68

Finding the Fourth Proportional to 980,517.36, 1,470,089.92 and 500,893.68

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Solution

The fourth proportional to 980,517.36, 1,470,089.92 and 500,893.68 is: 750,990.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,517.36 : 1,470,089.92 = 500,893.68 : x
  2. Step 2: Convert to fraction form
    980,517.36/1,470,089.92 = 500,893.68/x
  3. Step 3: Cross multiply
    980,517.36x = 1,470,089.92 × 500,893.68
  4. Step 4: Simplify right side
    980,517.36x = 736,358,749,959.71
  5. Step 5: Solve for x
    x = 736,358,749,959.71/980,517.36
  6. Step 6: Final answer
    x = 750,990.02

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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.