Home / 959,076.47-1,323,431.22-529,328.88

Finding the Fourth Proportional to 959,076.47, 1,323,431.22 and 529,328.88

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Solution

The fourth proportional to 959,076.47, 1,323,431.22 and 529,328.88 is: 730,421.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,076.47 : 1,323,431.22 = 529,328.88 : x
  2. Step 2: Convert to fraction form
    959,076.47/1,323,431.22 = 529,328.88/x
  3. Step 3: Cross multiply
    959,076.47x = 1,323,431.22 × 529,328.88
  4. Step 4: Simplify right side
    959,076.47x = 700,530,365,439.63
  5. Step 5: Solve for x
    x = 700,530,365,439.63/959,076.47
  6. Step 6: Final answer
    x = 730,421.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.