Home / 798,833.60-1,198,250.40-620,374.40

Finding the Fourth Proportional to 798,833.60, 1,198,250.40 and 620,374.40

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Solution

The fourth proportional to 798,833.60, 1,198,250.40 and 620,374.40 is: 930,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,833.60 : 1,198,250.40 = 620,374.40 : x
  2. Step 2: Convert to fraction form
    798,833.60/1,198,250.40 = 620,374.40/x
  3. Step 3: Cross multiply
    798,833.60x = 1,198,250.40 × 620,374.40
  4. Step 4: Simplify right side
    798,833.60x = 743,363,872,949.76
  5. Step 5: Solve for x
    x = 743,363,872,949.76/798,833.60
  6. Step 6: Final answer
    x = 930,561.60

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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.