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Finding the Fourth Proportional to 455,533.94, 683,303.34 and 298,755.20

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Solution

The fourth proportional to 455,533.94, 683,303.34 and 298,755.20 is: 448,134.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,533.94 : 683,303.34 = 298,755.20 : x
  2. Step 2: Convert to fraction form
    455,533.94/683,303.34 = 298,755.20/x
  3. Step 3: Cross multiply
    455,533.94x = 683,303.34 × 298,755.20
  4. Step 4: Simplify right side
    455,533.94x = 204,140,426,002.37
  5. Step 5: Solve for x
    x = 204,140,426,002.37/455,533.94
  6. Step 6: Final answer
    x = 448,134.39

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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.