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Finding the Fourth Proportional to 571,468.86, 857,596.98 and 256,278.42

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Solution

The fourth proportional to 571,468.86, 857,596.98 and 256,278.42 is: 384,594.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,468.86 : 857,596.98 = 256,278.42 : x
  2. Step 2: Convert to fraction form
    571,468.86/857,596.98 = 256,278.42/x
  3. Step 3: Cross multiply
    571,468.86x = 857,596.98 × 256,278.42
  4. Step 4: Simplify right side
    571,468.86x = 219,783,599,031.17
  5. Step 5: Solve for x
    x = 219,783,599,031.17/571,468.86
  6. Step 6: Final answer
    x = 384,594.18

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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.