Home / 428,795.58-591,739.65-237,826.74

Finding the Fourth Proportional to 428,795.58, 591,739.65 and 237,826.74

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Solution

The fourth proportional to 428,795.58, 591,739.65 and 237,826.74 is: 328,201.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,795.58 : 591,739.65 = 237,826.74 : x
  2. Step 2: Convert to fraction form
    428,795.58/591,739.65 = 237,826.74/x
  3. Step 3: Cross multiply
    428,795.58x = 591,739.65 × 237,826.74
  4. Step 4: Simplify right side
    428,795.58x = 140,731,511,888.24
  5. Step 5: Solve for x
    x = 140,731,511,888.24/428,795.58
  6. Step 6: Final answer
    x = 328,201.87

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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.