Home / 739,333.43-1,108,523.21-290,099.68

Finding the Fourth Proportional to 739,333.43, 1,108,523.21 and 290,099.68

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Solution

The fourth proportional to 739,333.43, 1,108,523.21 and 290,099.68 is: 434,962.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,333.43 : 1,108,523.21 = 290,099.68 : x
  2. Step 2: Convert to fraction form
    739,333.43/1,108,523.21 = 290,099.68/x
  3. Step 3: Cross multiply
    739,333.43x = 1,108,523.21 × 290,099.68
  4. Step 4: Simplify right side
    739,333.43x = 321,582,226,447.51
  5. Step 5: Solve for x
    x = 321,582,226,447.51/739,333.43
  6. Step 6: Final answer
    x = 434,962.38

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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.