Home / 913,373.82-1,370,891.79-487,270.89

Finding the Fourth Proportional to 913,373.82, 1,370,891.79 and 487,270.89

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Solution

The fourth proportional to 913,373.82, 1,370,891.79 and 487,270.89 is: 731,349.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,373.82 : 1,370,891.79 = 487,270.89 : x
  2. Step 2: Convert to fraction form
    913,373.82/1,370,891.79 = 487,270.89/x
  3. Step 3: Cross multiply
    913,373.82x = 1,370,891.79 × 487,270.89
  4. Step 4: Simplify right side
    913,373.82x = 667,995,662,606.99
  5. Step 5: Solve for x
    x = 667,995,662,606.99/913,373.82
  6. Step 6: Final answer
    x = 731,349.69

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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.