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Finding the Fourth Proportional to 404,561.80, 607,498.80 and 272,029.60

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Solution

The fourth proportional to 404,561.80, 607,498.80 and 272,029.60 is: 408,485.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,561.80 : 607,498.80 = 272,029.60 : x
  2. Step 2: Convert to fraction form
    404,561.80/607,498.80 = 272,029.60/x
  3. Step 3: Cross multiply
    404,561.80x = 607,498.80 × 272,029.60
  4. Step 4: Simplify right side
    404,561.80x = 165,257,655,564.48
  5. Step 5: Solve for x
    x = 165,257,655,564.48/404,561.80
  6. Step 6: Final answer
    x = 408,485.57

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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.