Home / 842,854.20-1,264,124.34-243,667.14

Finding the Fourth Proportional to 842,854.20, 1,264,124.34 and 243,667.14

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Solution

The fourth proportional to 842,854.20, 1,264,124.34 and 243,667.14 is: 365,455.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,854.20 : 1,264,124.34 = 243,667.14 : x
  2. Step 2: Convert to fraction form
    842,854.20/1,264,124.34 = 243,667.14/x
  3. Step 3: Cross multiply
    842,854.20x = 1,264,124.34 × 243,667.14
  4. Step 4: Simplify right side
    842,854.20x = 308,025,562,532.19
  5. Step 5: Solve for x
    x = 308,025,562,532.19/842,854.20
  6. Step 6: Final answer
    x = 365,455.33

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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.