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Finding the Fourth Proportional to 577,715.70, 797,448.09 and 397,025.76

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Solution

The fourth proportional to 577,715.70, 797,448.09 and 397,025.76 is: 548,033.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,715.70 : 797,448.09 = 397,025.76 : x
  2. Step 2: Convert to fraction form
    577,715.70/797,448.09 = 397,025.76/x
  3. Step 3: Cross multiply
    577,715.70x = 797,448.09 × 397,025.76
  4. Step 4: Simplify right side
    577,715.70x = 316,607,433,992.80
  5. Step 5: Solve for x
    x = 316,607,433,992.80/577,715.70
  6. Step 6: Final answer
    x = 548,033.29

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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.