Home / 831,343.38-1,245,035.84-530,893.32

Finding the Fourth Proportional to 831,343.38, 1,245,035.84 and 530,893.32

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Solution

The fourth proportional to 831,343.38, 1,245,035.84 and 530,893.32 is: 795,076.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,343.38 : 1,245,035.84 = 530,893.32 : x
  2. Step 2: Convert to fraction form
    831,343.38/1,245,035.84 = 530,893.32/x
  3. Step 3: Cross multiply
    831,343.38x = 1,245,035.84 × 530,893.32
  4. Step 4: Simplify right side
    831,343.38x = 660,981,207,962.12
  5. Step 5: Solve for x
    x = 660,981,207,962.12/831,343.38
  6. Step 6: Final answer
    x = 795,076.05

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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.