Home / 603,112.54-831,724.81-396,015.68

Finding the Fourth Proportional to 603,112.54, 831,724.81 and 396,015.68

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Solution

The fourth proportional to 603,112.54, 831,724.81 and 396,015.68 is: 546,127.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,112.54 : 831,724.81 = 396,015.68 : x
  2. Step 2: Convert to fraction form
    603,112.54/831,724.81 = 396,015.68/x
  3. Step 3: Cross multiply
    603,112.54x = 831,724.81 × 396,015.68
  4. Step 4: Simplify right side
    603,112.54x = 329,376,068,484.53
  5. Step 5: Solve for x
    x = 329,376,068,484.53/603,112.54
  6. Step 6: Final answer
    x = 546,127.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.