Home / 756,808.27-1,044,403.61-412,641.38

Finding the Fourth Proportional to 756,808.27, 1,044,403.61 and 412,641.38

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Solution

The fourth proportional to 756,808.27, 1,044,403.61 and 412,641.38 is: 569,449.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,808.27 : 1,044,403.61 = 412,641.38 : x
  2. Step 2: Convert to fraction form
    756,808.27/1,044,403.61 = 412,641.38/x
  3. Step 3: Cross multiply
    756,808.27x = 1,044,403.61 × 412,641.38
  4. Step 4: Simplify right side
    756,808.27x = 430,964,147,455.18
  5. Step 5: Solve for x
    x = 430,964,147,455.18/756,808.27
  6. Step 6: Final answer
    x = 569,449.58

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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.