Home / 945,402.88-1,418,103.60-280,554.88

Finding the Fourth Proportional to 945,402.88, 1,418,103.60 and 280,554.88

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Solution

The fourth proportional to 945,402.88, 1,418,103.60 and 280,554.88 is: 420,832.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,402.88 : 1,418,103.60 = 280,554.88 : x
  2. Step 2: Convert to fraction form
    945,402.88/1,418,103.60 = 280,554.88/x
  3. Step 3: Cross multiply
    945,402.88x = 1,418,103.60 × 280,554.88
  4. Step 4: Simplify right side
    945,402.88x = 397,855,885,325.57
  5. Step 5: Solve for x
    x = 397,855,885,325.57/945,402.88
  6. Step 6: Final answer
    x = 420,832.11

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1.5x scale

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.