Home / 775,892.80-1,163,840.60-243,454.72

Finding the Fourth Proportional to 775,892.80, 1,163,840.60 and 243,454.72

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Solution

The fourth proportional to 775,892.80, 1,163,840.60 and 243,454.72 is: 365,182.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,892.80 : 1,163,840.60 = 243,454.72 : x
  2. Step 2: Convert to fraction form
    775,892.80/1,163,840.60 = 243,454.72/x
  3. Step 3: Cross multiply
    775,892.80x = 1,163,840.60 × 243,454.72
  4. Step 4: Simplify right side
    775,892.80x = 283,342,487,397.63
  5. Step 5: Solve for x
    x = 283,342,487,397.63/775,892.80
  6. Step 6: Final answer
    x = 365,182.52

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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.