Home / 811,942.48-1,217,110.50-384,727.84

Finding the Fourth Proportional to 811,942.48, 1,217,110.50 and 384,727.84

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Solution

The fourth proportional to 811,942.48, 1,217,110.50 and 384,727.84 is: 576,711.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,942.48 : 1,217,110.50 = 384,727.84 : x
  2. Step 2: Convert to fraction form
    811,942.48/1,217,110.50 = 384,727.84/x
  3. Step 3: Cross multiply
    811,942.48x = 1,217,110.50 × 384,727.84
  4. Step 4: Simplify right side
    811,942.48x = 468,256,293,706.32
  5. Step 5: Solve for x
    x = 468,256,293,706.32/811,942.48
  6. Step 6: Final answer
    x = 576,711.17

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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.