Home / 897,206.84-1,237,932.61-509,991.79

Finding the Fourth Proportional to 897,206.84, 1,237,932.61 and 509,991.79

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Solution

The fourth proportional to 897,206.84, 1,237,932.61 and 509,991.79 is: 703,667.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,206.84 : 1,237,932.61 = 509,991.79 : x
  2. Step 2: Convert to fraction form
    897,206.84/1,237,932.61 = 509,991.79/x
  3. Step 3: Cross multiply
    897,206.84x = 1,237,932.61 × 509,991.79
  4. Step 4: Simplify right side
    897,206.84x = 631,335,458,933.65
  5. Step 5: Solve for x
    x = 631,335,458,933.65/897,206.84
  6. Step 6: Final answer
    x = 703,667.69

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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.