Home / 705,314.70-1,057,972.05-492,738.30

Finding the Fourth Proportional to 705,314.70, 1,057,972.05 and 492,738.30

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Solution

The fourth proportional to 705,314.70, 1,057,972.05 and 492,738.30 is: 739,107.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,314.70 : 1,057,972.05 = 492,738.30 : x
  2. Step 2: Convert to fraction form
    705,314.70/1,057,972.05 = 492,738.30/x
  3. Step 3: Cross multiply
    705,314.70x = 1,057,972.05 × 492,738.30
  4. Step 4: Simplify right side
    705,314.70x = 521,303,349,364.52
  5. Step 5: Solve for x
    x = 521,303,349,364.52/705,314.70
  6. Step 6: Final answer
    x = 739,107.45

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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.