Home / 428,799.48-591,779.62-237,874.38

Finding the Fourth Proportional to 428,799.48, 591,779.62 and 237,874.38

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Solution

The fourth proportional to 428,799.48, 591,779.62 and 237,874.38 is: 328,286.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,799.48 : 591,779.62 = 237,874.38 : x
  2. Step 2: Convert to fraction form
    428,799.48/591,779.62 = 237,874.38/x
  3. Step 3: Cross multiply
    428,799.48x = 591,779.62 × 237,874.38
  4. Step 4: Simplify right side
    428,799.48x = 140,769,210,204.14
  5. Step 5: Solve for x
    x = 140,769,210,204.14/428,799.48
  6. Step 6: Final answer
    x = 328,286.80

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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.