Home / 428,771.67-591,690.01-237,802.83

Finding the Fourth Proportional to 428,771.67, 591,690.01 and 237,802.83

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Solution

The fourth proportional to 428,771.67, 591,690.01 and 237,802.83 is: 328,159.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,771.67 : 591,690.01 = 237,802.83 : x
  2. Step 2: Convert to fraction form
    428,771.67/591,690.01 = 237,802.83/x
  3. Step 3: Cross multiply
    428,771.67x = 591,690.01 × 237,802.83
  4. Step 4: Simplify right side
    428,771.67x = 140,705,555,902.28
  5. Step 5: Solve for x
    x = 140,705,555,902.28/428,771.67
  6. Step 6: Final answer
    x = 328,159.64

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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.