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Finding the Fourth Proportional to 633,233.76, 873,862.95 and 342,845.38

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Solution

The fourth proportional to 633,233.76, 873,862.95 and 342,845.38 is: 473,126.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,233.76 : 873,862.95 = 342,845.38 : x
  2. Step 2: Convert to fraction form
    633,233.76/873,862.95 = 342,845.38/x
  3. Step 3: Cross multiply
    633,233.76x = 873,862.95 × 342,845.38
  4. Step 4: Simplify right side
    633,233.76x = 299,599,871,031.81
  5. Step 5: Solve for x
    x = 299,599,871,031.81/633,233.76
  6. Step 6: Final answer
    x = 473,126.82

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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.