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Finding the Fourth Proportional to 486,506.72, 729,715.53 and 344,959.22

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Solution

The fourth proportional to 486,506.72, 729,715.53 and 344,959.22 is: 517,407.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,506.72 : 729,715.53 = 344,959.22 : x
  2. Step 2: Convert to fraction form
    486,506.72/729,715.53 = 344,959.22/x
  3. Step 3: Cross multiply
    486,506.72x = 729,715.53 × 344,959.22
  4. Step 4: Simplify right side
    486,506.72x = 251,722,100,050.69
  5. Step 5: Solve for x
    x = 251,722,100,050.69/486,506.72
  6. Step 6: Final answer
    x = 517,407.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.