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Finding the Fourth Proportional to 571,592.49, 856,771.80 and 251,459.43

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Solution

The fourth proportional to 571,592.49, 856,771.80 and 251,459.43 is: 376,917.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,592.49 : 856,771.80 = 251,459.43 : x
  2. Step 2: Convert to fraction form
    571,592.49/856,771.80 = 251,459.43/x
  3. Step 3: Cross multiply
    571,592.49x = 856,771.80 × 251,459.43
  4. Step 4: Simplify right side
    571,592.49x = 215,443,348,468.07
  5. Step 5: Solve for x
    x = 215,443,348,468.07/571,592.49
  6. Step 6: Final answer
    x = 376,917.74

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1.5x scale

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.