Home / 974,918.70-1,345,362.72-539,352.43

Finding the Fourth Proportional to 974,918.70, 1,345,362.72 and 539,352.43

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Solution

The fourth proportional to 974,918.70, 1,345,362.72 and 539,352.43 is: 744,292.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,918.70 : 1,345,362.72 = 539,352.43 : x
  2. Step 2: Convert to fraction form
    974,918.70/1,345,362.72 = 539,352.43/x
  3. Step 3: Cross multiply
    974,918.70x = 1,345,362.72 × 539,352.43
  4. Step 4: Simplify right side
    974,918.70x = 725,624,659,750.09
  5. Step 5: Solve for x
    x = 725,624,659,750.09/974,918.70
  6. Step 6: Final answer
    x = 744,292.49

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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.