Home / 993,080.60-1,489,620.90-361,912.40

Finding the Fourth Proportional to 993,080.60, 1,489,620.90 and 361,912.40

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Solution

The fourth proportional to 993,080.60, 1,489,620.90 and 361,912.40 is: 542,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,080.60 : 1,489,620.90 = 361,912.40 : x
  2. Step 2: Convert to fraction form
    993,080.60/1,489,620.90 = 361,912.40/x
  3. Step 3: Cross multiply
    993,080.60x = 1,489,620.90 × 361,912.40
  4. Step 4: Simplify right side
    993,080.60x = 539,112,275,009.16
  5. Step 5: Solve for x
    x = 539,112,275,009.16/993,080.60
  6. Step 6: Final answer
    x = 542,868.60

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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.