Home / 428,204.32-590,926.08-237,221.76

Finding the Fourth Proportional to 428,204.32, 590,926.08 and 237,221.76

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Solution

The fourth proportional to 428,204.32, 590,926.08 and 237,221.76 is: 327,368.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,204.32 : 590,926.08 = 237,221.76 : x
  2. Step 2: Convert to fraction form
    428,204.32/590,926.08 = 237,221.76/x
  3. Step 3: Cross multiply
    428,204.32x = 590,926.08 × 237,221.76
  4. Step 4: Simplify right side
    428,204.32x = 140,180,524,727.50
  5. Step 5: Solve for x
    x = 140,180,524,727.50/428,204.32
  6. Step 6: Final answer
    x = 327,368.31

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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.