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Finding the Fourth Proportional to 606,709.80, 837,426.06 and 352,143

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Solution

The fourth proportional to 606,709.80, 837,426.06 and 352,143 is: 486,054.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,709.80 : 837,426.06 = 352,143 : x
  2. Step 2: Convert to fraction form
    606,709.80/837,426.06 = 352,143/x
  3. Step 3: Cross multiply
    606,709.80x = 837,426.06 × 352,143
  4. Step 4: Simplify right side
    606,709.80x = 294,893,725,046.58
  5. Step 5: Solve for x
    x = 294,893,725,046.58/606,709.80
  6. Step 6: Final answer
    x = 486,054.00

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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.