Home / 931,270.70-1,284,864.74-543,806.62

Finding the Fourth Proportional to 931,270.70, 1,284,864.74 and 543,806.62

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Solution

The fourth proportional to 931,270.70, 1,284,864.74 and 543,806.62 is: 750,284.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,270.70 : 1,284,864.74 = 543,806.62 : x
  2. Step 2: Convert to fraction form
    931,270.70/1,284,864.74 = 543,806.62/x
  3. Step 3: Cross multiply
    931,270.70x = 1,284,864.74 × 543,806.62
  4. Step 4: Simplify right side
    931,270.70x = 698,717,951,416.58
  5. Step 5: Solve for x
    x = 698,717,951,416.58/931,270.70
  6. Step 6: Final answer
    x = 750,284.48

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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.