Home / 756,749.72-1,044,300.52-412,588.62

Finding the Fourth Proportional to 756,749.72, 1,044,300.52 and 412,588.62

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Solution

The fourth proportional to 756,749.72, 1,044,300.52 and 412,588.62 is: 569,364.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,749.72 : 1,044,300.52 = 412,588.62 : x
  2. Step 2: Convert to fraction form
    756,749.72/1,044,300.52 = 412,588.62/x
  3. Step 3: Cross multiply
    756,749.72x = 1,044,300.52 × 412,588.62
  4. Step 4: Simplify right side
    756,749.72x = 430,866,510,412.08
  5. Step 5: Solve for x
    x = 430,866,510,412.08/756,749.72
  6. Step 6: Final answer
    x = 569,364.61

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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.