Home / 889,775.21-1,334,386.40-321,082.53

Finding the Fourth Proportional to 889,775.21, 1,334,386.40 and 321,082.53

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Solution

The fourth proportional to 889,775.21, 1,334,386.40 and 321,082.53 is: 481,524.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,775.21 : 1,334,386.40 = 321,082.53 : x
  2. Step 2: Convert to fraction form
    889,775.21/1,334,386.40 = 321,082.53/x
  3. Step 3: Cross multiply
    889,775.21x = 1,334,386.40 × 321,082.53
  4. Step 4: Simplify right side
    889,775.21x = 428,448,159,704.18
  5. Step 5: Solve for x
    x = 428,448,159,704.18/889,775.21
  6. Step 6: Final answer
    x = 481,524.05

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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.