Home / 722,615.40-1,082,756.70-603,642.60

Finding the Fourth Proportional to 722,615.40, 1,082,756.70 and 603,642.60

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Solution

The fourth proportional to 722,615.40, 1,082,756.70 and 603,642.60 is: 904,489.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,615.40 : 1,082,756.70 = 603,642.60 : x
  2. Step 2: Convert to fraction form
    722,615.40/1,082,756.70 = 603,642.60/x
  3. Step 3: Cross multiply
    722,615.40x = 1,082,756.70 × 603,642.60
  4. Step 4: Simplify right side
    722,615.40x = 653,598,069,555.42
  5. Step 5: Solve for x
    x = 653,598,069,555.42/722,615.40
  6. Step 6: Final answer
    x = 904,489.54

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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.