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Finding the Fourth Proportional to 654,501.63, 903,179.25 and 368,004.63

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Solution

The fourth proportional to 654,501.63, 903,179.25 and 368,004.63 is: 507,827.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,501.63 : 903,179.25 = 368,004.63 : x
  2. Step 2: Convert to fraction form
    654,501.63/903,179.25 = 368,004.63/x
  3. Step 3: Cross multiply
    654,501.63x = 903,179.25 × 368,004.63
  4. Step 4: Simplify right side
    654,501.63x = 332,374,145,719.93
  5. Step 5: Solve for x
    x = 332,374,145,719.93/654,501.63
  6. Step 6: Final answer
    x = 507,827.83

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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.