Home / 945,803.20-1,418,704.80-384,548.80

Finding the Fourth Proportional to 945,803.20, 1,418,704.80 and 384,548.80

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Solution

The fourth proportional to 945,803.20, 1,418,704.80 and 384,548.80 is: 576,823.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,803.20 : 1,418,704.80 = 384,548.80 : x
  2. Step 2: Convert to fraction form
    945,803.20/1,418,704.80 = 384,548.80/x
  3. Step 3: Cross multiply
    945,803.20x = 1,418,704.80 × 384,548.80
  4. Step 4: Simplify right side
    945,803.20x = 545,561,228,394.24
  5. Step 5: Solve for x
    x = 545,561,228,394.24/945,803.20
  6. Step 6: Final answer
    x = 576,823.20

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Double scale
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Similar ratio
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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.