Home / 759,977.44-1,139,214.40-359,915.20

Finding the Fourth Proportional to 759,977.44, 1,139,214.40 and 359,915.20

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Solution

The fourth proportional to 759,977.44, 1,139,214.40 and 359,915.20 is: 539,516.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,977.44 : 1,139,214.40 = 359,915.20 : x
  2. Step 2: Convert to fraction form
    759,977.44/1,139,214.40 = 359,915.20/x
  3. Step 3: Cross multiply
    759,977.44x = 1,139,214.40 × 359,915.20
  4. Step 4: Simplify right side
    759,977.44x = 410,020,578,618.88
  5. Step 5: Solve for x
    x = 410,020,578,618.88/759,977.44
  6. Step 6: Final answer
    x = 539,516.78

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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.