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Finding the Fourth Proportional to 572,513.94, 857,462.95 and 273,204.76

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Solution

The fourth proportional to 572,513.94, 857,462.95 and 273,204.76 is: 409,182.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,513.94 : 857,462.95 = 273,204.76 : x
  2. Step 2: Convert to fraction form
    572,513.94/857,462.95 = 273,204.76/x
  3. Step 3: Cross multiply
    572,513.94x = 857,462.95 × 273,204.76
  4. Step 4: Simplify right side
    572,513.94x = 234,262,959,463.64
  5. Step 5: Solve for x
    x = 234,262,959,463.64/572,513.94
  6. Step 6: Final answer
    x = 409,182.98

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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.