Home / 842,243.83-1,263,179.62-243,074.64

Finding the Fourth Proportional to 842,243.83, 1,263,179.62 and 243,074.64

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Solution

The fourth proportional to 842,243.83, 1,263,179.62 and 243,074.64 is: 364,558.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,243.83 : 1,263,179.62 = 243,074.64 : x
  2. Step 2: Convert to fraction form
    842,243.83/1,263,179.62 = 243,074.64/x
  3. Step 3: Cross multiply
    842,243.83x = 1,263,179.62 × 243,074.64
  4. Step 4: Simplify right side
    842,243.83x = 307,046,931,386.84
  5. Step 5: Solve for x
    x = 307,046,931,386.84/842,243.83
  6. Step 6: Final answer
    x = 364,558.24

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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.