Home / 775,959.70-1,163,988.75-243,501.74

Finding the Fourth Proportional to 775,959.70, 1,163,988.75 and 243,501.74

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Solution

The fourth proportional to 775,959.70, 1,163,988.75 and 243,501.74 is: 365,268.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,959.70 : 1,163,988.75 = 243,501.74 : x
  2. Step 2: Convert to fraction form
    775,959.70/1,163,988.75 = 243,501.74/x
  3. Step 3: Cross multiply
    775,959.70x = 1,163,988.75 × 243,501.74
  4. Step 4: Simplify right side
    775,959.70x = 283,433,285,965.43
  5. Step 5: Solve for x
    x = 283,433,285,965.43/775,959.70
  6. Step 6: Final answer
    x = 365,268.05

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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.