Home / 842,449.47-1,263,895.53-302,760.24

Finding the Fourth Proportional to 842,449.47, 1,263,895.53 and 302,760.24

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Solution

The fourth proportional to 842,449.47, 1,263,895.53 and 302,760.24 is: 454,219.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,449.47 : 1,263,895.53 = 302,760.24 : x
  2. Step 2: Convert to fraction form
    842,449.47/1,263,895.53 = 302,760.24/x
  3. Step 3: Cross multiply
    842,449.47x = 1,263,895.53 × 302,760.24
  4. Step 4: Simplify right side
    842,449.47x = 382,657,313,997.73
  5. Step 5: Solve for x
    x = 382,657,313,997.73/842,449.47
  6. Step 6: Final answer
    x = 454,219.90

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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.