Home / 427,717.17-590,226.25-243,928.75

Finding the Fourth Proportional to 427,717.17, 590,226.25 and 243,928.75

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Solution

The fourth proportional to 427,717.17, 590,226.25 and 243,928.75 is: 336,608.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,717.17 : 590,226.25 = 243,928.75 : x
  2. Step 2: Convert to fraction form
    427,717.17/590,226.25 = 243,928.75/x
  3. Step 3: Cross multiply
    427,717.17x = 590,226.25 × 243,928.75
  4. Step 4: Simplify right side
    427,717.17x = 143,973,153,519.87
  5. Step 5: Solve for x
    x = 143,973,153,519.87/427,717.17
  6. Step 6: Final answer
    x = 336,608.31

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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.