Home / 698,448.60-1,047,672.90-199,812.60

Finding the Fourth Proportional to 698,448.60, 1,047,672.90 and 199,812.60

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Solution

The fourth proportional to 698,448.60, 1,047,672.90 and 199,812.60 is: 299,718.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,448.60 : 1,047,672.90 = 199,812.60 : x
  2. Step 2: Convert to fraction form
    698,448.60/1,047,672.90 = 199,812.60/x
  3. Step 3: Cross multiply
    698,448.60x = 1,047,672.90 × 199,812.60
  4. Step 4: Simplify right side
    698,448.60x = 209,338,246,098.54
  5. Step 5: Solve for x
    x = 209,338,246,098.54/698,448.60
  6. Step 6: Final answer
    x = 299,718.90

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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.