Home / 744,343.70-1,116,515.55-543,722.90

Finding the Fourth Proportional to 744,343.70, 1,116,515.55 and 543,722.90

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Solution

The fourth proportional to 744,343.70, 1,116,515.55 and 543,722.90 is: 815,584.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,343.70 : 1,116,515.55 = 543,722.90 : x
  2. Step 2: Convert to fraction form
    744,343.70/1,116,515.55 = 543,722.90/x
  3. Step 3: Cross multiply
    744,343.70x = 1,116,515.55 × 543,722.90
  4. Step 4: Simplify right side
    744,343.70x = 607,075,072,741.10
  5. Step 5: Solve for x
    x = 607,075,072,741.10/744,343.70
  6. Step 6: Final answer
    x = 815,584.35

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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.