Home / 529,938.63-731,031.42-368,513.43

Finding the Fourth Proportional to 529,938.63, 731,031.42 and 368,513.43

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Solution

The fourth proportional to 529,938.63, 731,031.42 and 368,513.43 is: 508,351.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,938.63 : 731,031.42 = 368,513.43 : x
  2. Step 2: Convert to fraction form
    529,938.63/731,031.42 = 368,513.43/x
  3. Step 3: Cross multiply
    529,938.63x = 731,031.42 × 368,513.43
  4. Step 4: Simplify right side
    529,938.63x = 269,394,896,021.97
  5. Step 5: Solve for x
    x = 269,394,896,021.97/529,938.63
  6. Step 6: Final answer
    x = 508,351.12

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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.