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Finding the Fourth Proportional to 340,650.54, 506,954.80 and 329,298.64

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Solution

The fourth proportional to 340,650.54, 506,954.80 and 329,298.64 is: 490,060.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,650.54 : 506,954.80 = 329,298.64 : x
  2. Step 2: Convert to fraction form
    340,650.54/506,954.80 = 329,298.64/x
  3. Step 3: Cross multiply
    340,650.54x = 506,954.80 × 329,298.64
  4. Step 4: Simplify right side
    340,650.54x = 166,939,526,751.52
  5. Step 5: Solve for x
    x = 166,939,526,751.52/340,650.54
  6. Step 6: Final answer
    x = 490,060.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.