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Finding the Fourth Proportional to 609,866, 841,615.08 and 371,402

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Solution

The fourth proportional to 609,866, 841,615.08 and 371,402 is: 512,534.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,866 : 841,615.08 = 371,402 : x
  2. Step 2: Convert to fraction form
    609,866/841,615.08 = 371,402/x
  3. Step 3: Cross multiply
    609,866x = 841,615.08 × 371,402
  4. Step 4: Simplify right side
    609,866x = 312,577,523,942.16
  5. Step 5: Solve for x
    x = 312,577,523,942.16/609,866
  6. Step 6: Final answer
    x = 512,534.76

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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.