Home / 427,619.05-590,074.20-255,502.74

Finding the Fourth Proportional to 427,619.05, 590,074.20 and 255,502.74

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Solution

The fourth proportional to 427,619.05, 590,074.20 and 255,502.74 is: 352,569.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,619.05 : 590,074.20 = 255,502.74 : x
  2. Step 2: Convert to fraction form
    427,619.05/590,074.20 = 255,502.74/x
  3. Step 3: Cross multiply
    427,619.05x = 590,074.20 × 255,502.74
  4. Step 4: Simplify right side
    427,619.05x = 150,765,574,903.31
  5. Step 5: Solve for x
    x = 150,765,574,903.31/427,619.05
  6. Step 6: Final answer
    x = 352,569.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.