Home / 905,372.28-1,357,719.24-265,543.56

Finding the Fourth Proportional to 905,372.28, 1,357,719.24 and 265,543.56

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Solution

The fourth proportional to 905,372.28, 1,357,719.24 and 265,543.56 is: 398,215.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,372.28 : 1,357,719.24 = 265,543.56 : x
  2. Step 2: Convert to fraction form
    905,372.28/1,357,719.24 = 265,543.56/x
  3. Step 3: Cross multiply
    905,372.28x = 1,357,719.24 × 265,543.56
  4. Step 4: Simplify right side
    905,372.28x = 360,533,600,470.09
  5. Step 5: Solve for x
    x = 360,533,600,470.09/905,372.28
  6. Step 6: Final answer
    x = 398,215.86

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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.