Home / 752,756.58-1,128,409.11-253,848.42

Finding the Fourth Proportional to 752,756.58, 1,128,409.11 and 253,848.42

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Solution

The fourth proportional to 752,756.58, 1,128,409.11 and 253,848.42 is: 380,527.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,756.58 : 1,128,409.11 = 253,848.42 : x
  2. Step 2: Convert to fraction form
    752,756.58/1,128,409.11 = 253,848.42/x
  3. Step 3: Cross multiply
    752,756.58x = 1,128,409.11 × 253,848.42
  4. Step 4: Simplify right side
    752,756.58x = 286,444,869,687.11
  5. Step 5: Solve for x
    x = 286,444,869,687.11/752,756.58
  6. Step 6: Final answer
    x = 380,527.89

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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.