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Finding the Fourth Proportional to 587,852.32, 811,232.40 and 319,580.32

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Solution

The fourth proportional to 587,852.32, 811,232.40 and 319,580.32 is: 441,018.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,852.32 : 811,232.40 = 319,580.32 : x
  2. Step 2: Convert to fraction form
    587,852.32/811,232.40 = 319,580.32/x
  3. Step 3: Cross multiply
    587,852.32x = 811,232.40 × 319,580.32
  4. Step 4: Simplify right side
    587,852.32x = 259,253,909,986.37
  5. Step 5: Solve for x
    x = 259,253,909,986.37/587,852.32
  6. Step 6: Final answer
    x = 441,018.77

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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.