Home / 739,039.90-1,108,596.30-384,745.90

Finding the Fourth Proportional to 739,039.90, 1,108,596.30 and 384,745.90

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Solution

The fourth proportional to 739,039.90, 1,108,596.30 and 384,745.90 is: 577,137.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,039.90 : 1,108,596.30 = 384,745.90 : x
  2. Step 2: Convert to fraction form
    739,039.90/1,108,596.30 = 384,745.90/x
  3. Step 3: Cross multiply
    739,039.90x = 1,108,596.30 × 384,745.90
  4. Step 4: Simplify right side
    739,039.90x = 426,527,881,180.17
  5. Step 5: Solve for x
    x = 426,527,881,180.17/739,039.90
  6. Step 6: Final answer
    x = 577,137.83

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1.5x scale

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.