Home / 874,484.87-1,308,764.43-537,738.80

Finding the Fourth Proportional to 874,484.87, 1,308,764.43 and 537,738.80

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Solution

The fourth proportional to 874,484.87, 1,308,764.43 and 537,738.80 is: 804,786.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,484.87 : 1,308,764.43 = 537,738.80 : x
  2. Step 2: Convert to fraction form
    874,484.87/1,308,764.43 = 537,738.80/x
  3. Step 3: Cross multiply
    874,484.87x = 1,308,764.43 × 537,738.80
  4. Step 4: Simplify right side
    874,484.87x = 703,773,407,527.06
  5. Step 5: Solve for x
    x = 703,773,407,527.06/874,484.87
  6. Step 6: Final answer
    x = 804,786.26

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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.