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Finding the Fourth Proportional to 539,102.20, 744,200.22 and 348,208.72

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Solution

The fourth proportional to 539,102.20, 744,200.22 and 348,208.72 is: 480,682.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,102.20 : 744,200.22 = 348,208.72 : x
  2. Step 2: Convert to fraction form
    539,102.20/744,200.22 = 348,208.72/x
  3. Step 3: Cross multiply
    539,102.20x = 744,200.22 × 348,208.72
  4. Step 4: Simplify right side
    539,102.20x = 259,137,006,029.92
  5. Step 5: Solve for x
    x = 259,137,006,029.92/539,102.20
  6. Step 6: Final answer
    x = 480,682.52

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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.