Home / 415,466.40-623,753.04-280,982.24

Finding the Fourth Proportional to 415,466.40, 623,753.04 and 280,982.24

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Solution

The fourth proportional to 415,466.40, 623,753.04 and 280,982.24 is: 421,847.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,466.40 : 623,753.04 = 280,982.24 : x
  2. Step 2: Convert to fraction form
    415,466.40/623,753.04 = 280,982.24/x
  3. Step 3: Cross multiply
    415,466.40x = 623,753.04 × 280,982.24
  4. Step 4: Simplify right side
    415,466.40x = 175,263,526,386.01
  5. Step 5: Solve for x
    x = 175,263,526,386.01/415,466.40
  6. Step 6: Final answer
    x = 421,847.65

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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.