Home / 428,359.79-591,140.01-237,376.37

Finding the Fourth Proportional to 428,359.79, 591,140.01 and 237,376.37

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Solution

The fourth proportional to 428,359.79, 591,140.01 and 237,376.37 is: 327,581.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,359.79 : 591,140.01 = 237,376.37 : x
  2. Step 2: Convert to fraction form
    428,359.79/591,140.01 = 237,376.37/x
  3. Step 3: Cross multiply
    428,359.79x = 591,140.01 × 237,376.37
  4. Step 4: Simplify right side
    428,359.79x = 140,322,666,779.86
  5. Step 5: Solve for x
    x = 140,322,666,779.86/428,359.79
  6. Step 6: Final answer
    x = 327,581.33

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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.