Home / 842,749.18-1,264,160.69-243,770.89

Finding the Fourth Proportional to 842,749.18, 1,264,160.69 and 243,770.89

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Solution

The fourth proportional to 842,749.18, 1,264,160.69 and 243,770.89 is: 365,667.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,749.18 : 1,264,160.69 = 243,770.89 : x
  2. Step 2: Convert to fraction form
    842,749.18/1,264,160.69 = 243,770.89/x
  3. Step 3: Cross multiply
    842,749.18x = 1,264,160.69 × 243,770.89
  4. Step 4: Simplify right side
    842,749.18x = 308,165,576,504.31
  5. Step 5: Solve for x
    x = 308,165,576,504.31/842,749.18
  6. Step 6: Final answer
    x = 365,667.01

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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.