Home / 702,022.60-1,053,033.90-489,446.20

Finding the Fourth Proportional to 702,022.60, 1,053,033.90 and 489,446.20

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Solution

The fourth proportional to 702,022.60, 1,053,033.90 and 489,446.20 is: 734,169.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,022.60 : 1,053,033.90 = 489,446.20 : x
  2. Step 2: Convert to fraction form
    702,022.60/1,053,033.90 = 489,446.20/x
  3. Step 3: Cross multiply
    702,022.60x = 1,053,033.90 × 489,446.20
  4. Step 4: Simplify right side
    702,022.60x = 515,403,440,826.18
  5. Step 5: Solve for x
    x = 515,403,440,826.18/702,022.60
  6. Step 6: Final answer
    x = 734,169.30

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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.