Home / 842,667.62-1,263,813.10-243,495.23

Finding the Fourth Proportional to 842,667.62, 1,263,813.10 and 243,495.23

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Solution

The fourth proportional to 842,667.62, 1,263,813.10 and 243,495.23 is: 365,188.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,667.62 : 1,263,813.10 = 243,495.23 : x
  2. Step 2: Convert to fraction form
    842,667.62/1,263,813.10 = 243,495.23/x
  3. Step 3: Cross multiply
    842,667.62x = 1,263,813.10 × 243,495.23
  4. Step 4: Simplify right side
    842,667.62x = 307,732,454,533.71
  5. Step 5: Solve for x
    x = 307,732,454,533.71/842,667.62
  6. Step 6: Final answer
    x = 365,188.42

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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.