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Finding the Fourth Proportional to 536,285.52, 740,082.96 and 294,578.28

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Solution

The fourth proportional to 536,285.52, 740,082.96 and 294,578.28 is: 406,522.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,285.52 : 740,082.96 = 294,578.28 : x
  2. Step 2: Convert to fraction form
    536,285.52/740,082.96 = 294,578.28/x
  3. Step 3: Cross multiply
    536,285.52x = 740,082.96 × 294,578.28
  4. Step 4: Simplify right side
    536,285.52x = 218,012,365,414.11
  5. Step 5: Solve for x
    x = 218,012,365,414.11/536,285.52
  6. Step 6: Final answer
    x = 406,522.94

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1.5x scale

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.