Home / 698,884.68-1,046,751.84-489,457.56

Finding the Fourth Proportional to 698,884.68, 1,046,751.84 and 489,457.56

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Solution

The fourth proportional to 698,884.68, 1,046,751.84 and 489,457.56 is: 733,083.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,884.68 : 1,046,751.84 = 489,457.56 : x
  2. Step 2: Convert to fraction form
    698,884.68/1,046,751.84 = 489,457.56/x
  3. Step 3: Cross multiply
    698,884.68x = 1,046,751.84 × 489,457.56
  4. Step 4: Simplify right side
    698,884.68x = 512,340,601,531.91
  5. Step 5: Solve for x
    x = 512,340,601,531.91/698,884.68
  6. Step 6: Final answer
    x = 733,083.18

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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.