Home / 750,449.10-1,035,620.16-406,285.10

Finding the Fourth Proportional to 750,449.10, 1,035,620.16 and 406,285.10

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Solution

The fourth proportional to 750,449.10, 1,035,620.16 and 406,285.10 is: 560,673.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,449.10 : 1,035,620.16 = 406,285.10 : x
  2. Step 2: Convert to fraction form
    750,449.10/1,035,620.16 = 406,285.10/x
  3. Step 3: Cross multiply
    750,449.10x = 1,035,620.16 × 406,285.10
  4. Step 4: Simplify right side
    750,449.10x = 420,757,040,267.62
  5. Step 5: Solve for x
    x = 420,757,040,267.62/750,449.10
  6. Step 6: Final answer
    x = 560,673.66

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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.