Home / 756,890.12-1,044,500.73-412,725.17

Finding the Fourth Proportional to 756,890.12, 1,044,500.73 and 412,725.17

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Solution

The fourth proportional to 756,890.12, 1,044,500.73 and 412,725.17 is: 569,556.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,890.12 : 1,044,500.73 = 412,725.17 : x
  2. Step 2: Convert to fraction form
    756,890.12/1,044,500.73 = 412,725.17/x
  3. Step 3: Cross multiply
    756,890.12x = 1,044,500.73 × 412,725.17
  4. Step 4: Simplify right side
    756,890.12x = 431,091,740,048.75
  5. Step 5: Solve for x
    x = 431,091,740,048.75/756,890.12
  6. Step 6: Final answer
    x = 569,556.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.