Home / 905,335.68-1,356,137.28-530,221.44

Finding the Fourth Proportional to 905,335.68, 1,356,137.28 and 530,221.44

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Solution

The fourth proportional to 905,335.68, 1,356,137.28 and 530,221.44 is: 794,239.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,335.68 : 1,356,137.28 = 530,221.44 : x
  2. Step 2: Convert to fraction form
    905,335.68/1,356,137.28 = 530,221.44/x
  3. Step 3: Cross multiply
    905,335.68x = 1,356,137.28 × 530,221.44
  4. Step 4: Simplify right side
    905,335.68x = 719,053,061,439.28
  5. Step 5: Solve for x
    x = 719,053,061,439.28/905,335.68
  6. Step 6: Final answer
    x = 794,239.17

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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.