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Finding the Fourth Proportional to 607,456.91, 838,299.41 and 352,808.10

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Solution

The fourth proportional to 607,456.91, 838,299.41 and 352,808.10 is: 486,880.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,456.91 : 838,299.41 = 352,808.10 : x
  2. Step 2: Convert to fraction form
    607,456.91/838,299.41 = 352,808.10/x
  3. Step 3: Cross multiply
    607,456.91x = 838,299.41 × 352,808.10
  4. Step 4: Simplify right side
    607,456.91x = 295,758,820,309.18
  5. Step 5: Solve for x
    x = 295,758,820,309.18/607,456.91
  6. Step 6: Final answer
    x = 486,880.33

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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.