Home / 756,484.99-1,043,942.55-412,320.91

Finding the Fourth Proportional to 756,484.99, 1,043,942.55 and 412,320.91

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Solution

The fourth proportional to 756,484.99, 1,043,942.55 and 412,320.91 is: 568,999.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,484.99 : 1,043,942.55 = 412,320.91 : x
  2. Step 2: Convert to fraction form
    756,484.99/1,043,942.55 = 412,320.91/x
  3. Step 3: Cross multiply
    756,484.99x = 1,043,942.55 × 412,320.91
  4. Step 4: Simplify right side
    756,484.99x = 430,439,342,203.72
  5. Step 5: Solve for x
    x = 430,439,342,203.72/756,484.99
  6. Step 6: Final answer
    x = 568,999.18

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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.