Home / 701,263.20-1,051,203.60-345,986.40

Finding the Fourth Proportional to 701,263.20, 1,051,203.60 and 345,986.40

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Solution

The fourth proportional to 701,263.20, 1,051,203.60 and 345,986.40 is: 518,638.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,263.20 : 1,051,203.60 = 345,986.40 : x
  2. Step 2: Convert to fraction form
    701,263.20/1,051,203.60 = 345,986.40/x
  3. Step 3: Cross multiply
    701,263.20x = 1,051,203.60 × 345,986.40
  4. Step 4: Simplify right side
    701,263.20x = 363,702,149,231.04
  5. Step 5: Solve for x
    x = 363,702,149,231.04/701,263.20
  6. Step 6: Final answer
    x = 518,638.58

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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.