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Finding the Fourth Proportional to 606,276.30, 908,606.49 and 286,513.06

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Solution

The fourth proportional to 606,276.30, 908,606.49 and 286,513.06 is: 429,387.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,276.30 : 908,606.49 = 286,513.06 : x
  2. Step 2: Convert to fraction form
    606,276.30/908,606.49 = 286,513.06/x
  3. Step 3: Cross multiply
    606,276.30x = 908,606.49 × 286,513.06
  4. Step 4: Simplify right side
    606,276.30x = 260,327,627,133.54
  5. Step 5: Solve for x
    x = 260,327,627,133.54/606,276.30
  6. Step 6: Final answer
    x = 429,387.77

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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.