Home / 831,448.40-1,245,329.40-332,555.60

Finding the Fourth Proportional to 831,448.40, 1,245,329.40 and 332,555.60

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Solution

The fourth proportional to 831,448.40, 1,245,329.40 and 332,555.60 is: 498,096.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,448.40 : 1,245,329.40 = 332,555.60 : x
  2. Step 2: Convert to fraction form
    831,448.40/1,245,329.40 = 332,555.60/x
  3. Step 3: Cross multiply
    831,448.40x = 1,245,329.40 × 332,555.60
  4. Step 4: Simplify right side
    831,448.40x = 414,141,265,814.64
  5. Step 5: Solve for x
    x = 414,141,265,814.64/831,448.40
  6. Step 6: Final answer
    x = 498,096.17

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Double scale
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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.