Home / 428,636.14-591,551.31-237,686.74

Finding the Fourth Proportional to 428,636.14, 591,551.31 and 237,686.74

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Solution

The fourth proportional to 428,636.14, 591,551.31 and 237,686.74 is: 328,026.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,636.14 : 591,551.31 = 237,686.74 : x
  2. Step 2: Convert to fraction form
    428,636.14/591,551.31 = 237,686.74/x
  3. Step 3: Cross multiply
    428,636.14x = 591,551.31 × 237,686.74
  4. Step 4: Simplify right side
    428,636.14x = 140,603,902,416.63
  5. Step 5: Solve for x
    x = 140,603,902,416.63/428,636.14
  6. Step 6: Final answer
    x = 328,026.24

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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.