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Finding the Fourth Proportional to 536,592, 740,499.84 and 298,128

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Solution

The fourth proportional to 536,592, 740,499.84 and 298,128 is: 411,418.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,592 : 740,499.84 = 298,128 : x
  2. Step 2: Convert to fraction form
    536,592/740,499.84 = 298,128/x
  3. Step 3: Cross multiply
    536,592x = 740,499.84 × 298,128
  4. Step 4: Simplify right side
    536,592x = 220,763,736,299.52
  5. Step 5: Solve for x
    x = 220,763,736,299.52/536,592
  6. Step 6: Final answer
    x = 411,418.24

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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.