Home / 759,977.94-1,139,215.15-359,915.70

Finding the Fourth Proportional to 759,977.94, 1,139,215.15 and 359,915.70

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Solution

The fourth proportional to 759,977.94, 1,139,215.15 and 359,915.70 is: 539,517.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,977.94 : 1,139,215.15 = 359,915.70 : x
  2. Step 2: Convert to fraction form
    759,977.94/1,139,215.15 = 359,915.70/x
  3. Step 3: Cross multiply
    759,977.94x = 1,139,215.15 × 359,915.70
  4. Step 4: Simplify right side
    759,977.94x = 410,021,418,162.86
  5. Step 5: Solve for x
    x = 410,021,418,162.86/759,977.94
  6. Step 6: Final answer
    x = 539,517.53

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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.