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Finding the Fourth Proportional to 493,458.76, 740,077.42 and 226,963.24

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Solution

The fourth proportional to 493,458.76, 740,077.42 and 226,963.24 is: 340,393.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,458.76 : 740,077.42 = 226,963.24 : x
  2. Step 2: Convert to fraction form
    493,458.76/740,077.42 = 226,963.24/x
  3. Step 3: Cross multiply
    493,458.76x = 740,077.42 × 226,963.24
  4. Step 4: Simplify right side
    493,458.76x = 167,970,369,094.04
  5. Step 5: Solve for x
    x = 167,970,369,094.04/493,458.76
  6. Step 6: Final answer
    x = 340,393.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.