Home / 607,921.56-911,390.40-253,202.04

Finding the Fourth Proportional to 607,921.56, 911,390.40 and 253,202.04

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Solution

The fourth proportional to 607,921.56, 911,390.40 and 253,202.04 is: 379,598.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,921.56 : 911,390.40 = 253,202.04 : x
  2. Step 2: Convert to fraction form
    607,921.56/911,390.40 = 253,202.04/x
  3. Step 3: Cross multiply
    607,921.56x = 911,390.40 × 253,202.04
  4. Step 4: Simplify right side
    607,921.56x = 230,765,908,516.42
  5. Step 5: Solve for x
    x = 230,765,908,516.42/607,921.56
  6. Step 6: Final answer
    x = 379,598.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.