Home / 825,023.64-1,237,888.37-345,363.53

Finding the Fourth Proportional to 825,023.64, 1,237,888.37 and 345,363.53

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Solution

The fourth proportional to 825,023.64, 1,237,888.37 and 345,363.53 is: 518,193.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,023.64 : 1,237,888.37 = 345,363.53 : x
  2. Step 2: Convert to fraction form
    825,023.64/1,237,888.37 = 345,363.53/x
  3. Step 3: Cross multiply
    825,023.64x = 1,237,888.37 × 345,363.53
  4. Step 4: Simplify right side
    825,023.64x = 427,521,489,292.89
  5. Step 5: Solve for x
    x = 427,521,489,292.89/825,023.64
  6. Step 6: Final answer
    x = 518,193.02

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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.