Home / 428,001.03-590,648.04-234,405.18

Finding the Fourth Proportional to 428,001.03, 590,648.04 and 234,405.18

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Solution

The fourth proportional to 428,001.03, 590,648.04 and 234,405.18 is: 323,482.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,001.03 : 590,648.04 = 234,405.18 : x
  2. Step 2: Convert to fraction form
    428,001.03/590,648.04 = 234,405.18/x
  3. Step 3: Cross multiply
    428,001.03x = 590,648.04 × 234,405.18
  4. Step 4: Simplify right side
    428,001.03x = 138,450,960,132.85
  5. Step 5: Solve for x
    x = 138,450,960,132.85/428,001.03
  6. Step 6: Final answer
    x = 323,482.77

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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.