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Finding the Fourth Proportional to 576,492.27, 860,953.61 and 491,345.07

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Solution

The fourth proportional to 576,492.27, 860,953.61 and 491,345.07 is: 733,791.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,492.27 : 860,953.61 = 491,345.07 : x
  2. Step 2: Convert to fraction form
    576,492.27/860,953.61 = 491,345.07/x
  3. Step 3: Cross multiply
    576,492.27x = 860,953.61 × 491,345.07
  4. Step 4: Simplify right side
    576,492.27x = 423,025,309,315.48
  5. Step 5: Solve for x
    x = 423,025,309,315.48/576,492.27
  6. Step 6: Final answer
    x = 733,791.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.