Home / 775,961.64-1,163,991.65-243,503.69

Finding the Fourth Proportional to 775,961.64, 1,163,991.65 and 243,503.69

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Solution

The fourth proportional to 775,961.64, 1,163,991.65 and 243,503.69 is: 365,270.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,961.64 : 1,163,991.65 = 243,503.69 : x
  2. Step 2: Convert to fraction form
    775,961.64/1,163,991.65 = 243,503.69/x
  3. Step 3: Cross multiply
    775,961.64x = 1,163,991.65 × 243,503.69
  4. Step 4: Simplify right side
    775,961.64x = 283,436,254,866.71
  5. Step 5: Solve for x
    x = 283,436,254,866.71/775,961.64
  6. Step 6: Final answer
    x = 365,270.96

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1.5x scale

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.