Home / 842,607.36-1,263,861.63-243,555.26

Finding the Fourth Proportional to 842,607.36, 1,263,861.63 and 243,555.26

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Solution

The fourth proportional to 842,607.36, 1,263,861.63 and 243,555.26 is: 365,318.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,607.36 : 1,263,861.63 = 243,555.26 : x
  2. Step 2: Convert to fraction form
    842,607.36/1,263,861.63 = 243,555.26/x
  3. Step 3: Cross multiply
    842,607.36x = 1,263,861.63 × 243,555.26
  4. Step 4: Simplify right side
    842,607.36x = 307,820,141,579.37
  5. Step 5: Solve for x
    x = 307,820,141,579.37/842,607.36
  6. Step 6: Final answer
    x = 365,318.60

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Double scale
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Similar ratio
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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.