Home / 960,321.96-1,440,548.64-286,351.47

Finding the Fourth Proportional to 960,321.96, 1,440,548.64 and 286,351.47

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Solution

The fourth proportional to 960,321.96, 1,440,548.64 and 286,351.47 is: 429,546.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,321.96 : 1,440,548.64 = 286,351.47 : x
  2. Step 2: Convert to fraction form
    960,321.96/1,440,548.64 = 286,351.47/x
  3. Step 3: Cross multiply
    960,321.96x = 1,440,548.64 × 286,351.47
  4. Step 4: Simplify right side
    960,321.96x = 412,503,220,670.50
  5. Step 5: Solve for x
    x = 412,503,220,670.50/960,321.96
  6. Step 6: Final answer
    x = 429,546.80

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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.