Home / 505,023.04-757,654.85-189,482.68

Finding the Fourth Proportional to 505,023.04, 757,654.85 and 189,482.68

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Solution

The fourth proportional to 505,023.04, 757,654.85 and 189,482.68 is: 284,269.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,023.04 : 757,654.85 = 189,482.68 : x
  2. Step 2: Convert to fraction form
    505,023.04/757,654.85 = 189,482.68/x
  3. Step 3: Cross multiply
    505,023.04x = 757,654.85 × 189,482.68
  4. Step 4: Simplify right side
    505,023.04x = 143,562,471,493.00
  5. Step 5: Solve for x
    x = 143,562,471,493.00/505,023.04
  6. Step 6: Final answer
    x = 284,269.15

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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.