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Finding the Fourth Proportional to 577,282.21, 796,130.17 and 373,118.47

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Solution

The fourth proportional to 577,282.21, 796,130.17 and 373,118.47 is: 514,567.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,282.21 : 796,130.17 = 373,118.47 : x
  2. Step 2: Convert to fraction form
    577,282.21/796,130.17 = 373,118.47/x
  3. Step 3: Cross multiply
    577,282.21x = 796,130.17 × 373,118.47
  4. Step 4: Simplify right side
    577,282.21x = 297,050,868,028.12
  5. Step 5: Solve for x
    x = 297,050,868,028.12/577,282.21
  6. Step 6: Final answer
    x = 514,567.86

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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.