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Finding the Fourth Proportional to 608,454.86, 839,662.40 and 336,542.72

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Solution

The fourth proportional to 608,454.86, 839,662.40 and 336,542.72 is: 464,426.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,454.86 : 839,662.40 = 336,542.72 : x
  2. Step 2: Convert to fraction form
    608,454.86/839,662.40 = 336,542.72/x
  3. Step 3: Cross multiply
    608,454.86x = 839,662.40 × 336,542.72
  4. Step 4: Simplify right side
    608,454.86x = 282,582,264,620.77
  5. Step 5: Solve for x
    x = 282,582,264,620.77/608,454.86
  6. Step 6: Final answer
    x = 464,426.02

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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.