Home / 945,172.92-1,417,836.18-280,323

Finding the Fourth Proportional to 945,172.92, 1,417,836.18 and 280,323

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Solution

The fourth proportional to 945,172.92, 1,417,836.18 and 280,323 is: 420,507.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,172.92 : 1,417,836.18 = 280,323 : x
  2. Step 2: Convert to fraction form
    945,172.92/1,417,836.18 = 280,323/x
  3. Step 3: Cross multiply
    945,172.92x = 1,417,836.18 × 280,323
  4. Step 4: Simplify right side
    945,172.92x = 397,452,091,486.14
  5. Step 5: Solve for x
    x = 397,452,091,486.14/945,172.92
  6. Step 6: Final answer
    x = 420,507.28

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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.