Home / 965,308.60-1,447,955.70-291,388.60

Finding the Fourth Proportional to 965,308.60, 1,447,955.70 and 291,388.60

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Solution

The fourth proportional to 965,308.60, 1,447,955.70 and 291,388.60 is: 437,080.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,308.60 : 1,447,955.70 = 291,388.60 : x
  2. Step 2: Convert to fraction form
    965,308.60/1,447,955.70 = 291,388.60/x
  3. Step 3: Cross multiply
    965,308.60x = 1,447,955.70 × 291,388.60
  4. Step 4: Simplify right side
    965,308.60x = 421,917,784,285.02
  5. Step 5: Solve for x
    x = 421,917,784,285.02/965,308.60
  6. Step 6: Final answer
    x = 437,080.73

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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.