Home / 648,090.65-972,632.16-293,353.79

Finding the Fourth Proportional to 648,090.65, 972,632.16 and 293,353.79

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Solution

The fourth proportional to 648,090.65, 972,632.16 and 293,353.79 is: 440,255.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,090.65 : 972,632.16 = 293,353.79 : x
  2. Step 2: Convert to fraction form
    648,090.65/972,632.16 = 293,353.79/x
  3. Step 3: Cross multiply
    648,090.65x = 972,632.16 × 293,353.79
  4. Step 4: Simplify right side
    648,090.65x = 285,325,325,548.73
  5. Step 5: Solve for x
    x = 285,325,325,548.73/648,090.65
  6. Step 6: Final answer
    x = 440,255.28

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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.