Home / 463,847.04-640,235.04-272,922

Finding the Fourth Proportional to 463,847.04, 640,235.04 and 272,922

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Solution

The fourth proportional to 463,847.04, 640,235.04 and 272,922 is: 376,706.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,847.04 : 640,235.04 = 272,922 : x
  2. Step 2: Convert to fraction form
    463,847.04/640,235.04 = 272,922/x
  3. Step 3: Cross multiply
    463,847.04x = 640,235.04 × 272,922
  4. Step 4: Simplify right side
    463,847.04x = 174,734,227,586.88
  5. Step 5: Solve for x
    x = 174,734,227,586.88/463,847.04
  6. Step 6: Final answer
    x = 376,706.57

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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.