Home / 940,697.28-1,411,240.32-309,648.96

Finding the Fourth Proportional to 940,697.28, 1,411,240.32 and 309,648.96

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Solution

The fourth proportional to 940,697.28, 1,411,240.32 and 309,648.96 is: 464,537.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,697.28 : 1,411,240.32 = 309,648.96 : x
  2. Step 2: Convert to fraction form
    940,697.28/1,411,240.32 = 309,648.96/x
  3. Step 3: Cross multiply
    940,697.28x = 1,411,240.32 × 309,648.96
  4. Step 4: Simplify right side
    940,697.28x = 436,989,097,398.07
  5. Step 5: Solve for x
    x = 436,989,097,398.07/940,697.28
  6. Step 6: Final answer
    x = 464,537.43

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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.