Home / 698,163.60-1,047,342.60-298,801.20

Finding the Fourth Proportional to 698,163.60, 1,047,342.60 and 298,801.20

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Solution

The fourth proportional to 698,163.60, 1,047,342.60 and 298,801.20 is: 448,243.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,163.60 : 1,047,342.60 = 298,801.20 : x
  2. Step 2: Convert to fraction form
    698,163.60/1,047,342.60 = 298,801.20/x
  3. Step 3: Cross multiply
    698,163.60x = 1,047,342.60 × 298,801.20
  4. Step 4: Simplify right side
    698,163.60x = 312,947,225,691.12
  5. Step 5: Solve for x
    x = 312,947,225,691.12/698,163.60
  6. Step 6: Final answer
    x = 448,243.40

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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.