Home / 615,421.00-848,611.46-400,161.88

Finding the Fourth Proportional to 615,421.00, 848,611.46 and 400,161.88

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Solution

The fourth proportional to 615,421.00, 848,611.46 and 400,161.88 is: 551,788.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,421.00 : 848,611.46 = 400,161.88 : x
  2. Step 2: Convert to fraction form
    615,421.00/848,611.46 = 400,161.88/x
  3. Step 3: Cross multiply
    615,421.00x = 848,611.46 × 400,161.88
  4. Step 4: Simplify right side
    615,421.00x = 339,581,959,284.31
  5. Step 5: Solve for x
    x = 339,581,959,284.31/615,421.00
  6. Step 6: Final answer
    x = 551,788.06

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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.