Home / 631,419.76-947,270.58-332,041.60

Finding the Fourth Proportional to 631,419.76, 947,270.58 and 332,041.60

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Solution

The fourth proportional to 631,419.76, 947,270.58 and 332,041.60 is: 498,136.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,419.76 : 947,270.58 = 332,041.60 : x
  2. Step 2: Convert to fraction form
    631,419.76/947,270.58 = 332,041.60/x
  3. Step 3: Cross multiply
    631,419.76x = 947,270.58 × 332,041.60
  4. Step 4: Simplify right side
    631,419.76x = 314,533,239,016.13
  5. Step 5: Solve for x
    x = 314,533,239,016.13/631,419.76
  6. Step 6: Final answer
    x = 498,136.52

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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.