Home / 750,313.97-1,035,433.88-406,148.83

Finding the Fourth Proportional to 750,313.97, 1,035,433.88 and 406,148.83

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Solution

The fourth proportional to 750,313.97, 1,035,433.88 and 406,148.83 is: 560,485.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,313.97 : 1,035,433.88 = 406,148.83 : x
  2. Step 2: Convert to fraction form
    750,313.97/1,035,433.88 = 406,148.83/x
  3. Step 3: Cross multiply
    750,313.97x = 1,035,433.88 × 406,148.83
  4. Step 4: Simplify right side
    750,313.97x = 420,540,261,346.84
  5. Step 5: Solve for x
    x = 420,540,261,346.84/750,313.97
  6. Step 6: Final answer
    x = 560,485.72

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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.