Home / 905,145.44-1,357,893.30-344,136.20

Finding the Fourth Proportional to 905,145.44, 1,357,893.30 and 344,136.20

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Solution

The fourth proportional to 905,145.44, 1,357,893.30 and 344,136.20 is: 516,270.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,145.44 : 1,357,893.30 = 344,136.20 : x
  2. Step 2: Convert to fraction form
    905,145.44/1,357,893.30 = 344,136.20/x
  3. Step 3: Cross multiply
    905,145.44x = 1,357,893.30 × 344,136.20
  4. Step 4: Simplify right side
    905,145.44x = 467,300,233,477.99
  5. Step 5: Solve for x
    x = 467,300,233,477.99/905,145.44
  6. Step 6: Final answer
    x = 516,270.88

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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.