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Finding the Fourth Proportional to 577,284.86, 796,675.27 and 383,357.31

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Solution

The fourth proportional to 577,284.86, 796,675.27 and 383,357.31 is: 529,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,284.86 : 796,675.27 = 383,357.31 : x
  2. Step 2: Convert to fraction form
    577,284.86/796,675.27 = 383,357.31/x
  3. Step 3: Cross multiply
    577,284.86x = 796,675.27 × 383,357.31
  4. Step 4: Simplify right side
    577,284.86x = 305,411,287,492.33
  5. Step 5: Solve for x
    x = 305,411,287,492.33/577,284.86
  6. Step 6: Final answer
    x = 529,047.80

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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.