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Finding the Fourth Proportional to 606,829.84, 909,521.12 and 282,179.44

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Solution

The fourth proportional to 606,829.84, 909,521.12 and 282,179.44 is: 422,932.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,829.84 : 909,521.12 = 282,179.44 : x
  2. Step 2: Convert to fraction form
    606,829.84/909,521.12 = 282,179.44/x
  3. Step 3: Cross multiply
    606,829.84x = 909,521.12 × 282,179.44
  4. Step 4: Simplify right side
    606,829.84x = 256,648,160,309.77
  5. Step 5: Solve for x
    x = 256,648,160,309.77/606,829.84
  6. Step 6: Final answer
    x = 422,932.66

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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.