Home / 670,665.60-1,008,030.80-443,735.24

Finding the Fourth Proportional to 670,665.60, 1,008,030.80 and 443,735.24

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Solution

The fourth proportional to 670,665.60, 1,008,030.80 and 443,735.24 is: 666,947.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,665.60 : 1,008,030.80 = 443,735.24 : x
  2. Step 2: Convert to fraction form
    670,665.60/1,008,030.80 = 443,735.24/x
  3. Step 3: Cross multiply
    670,665.60x = 1,008,030.80 × 443,735.24
  4. Step 4: Simplify right side
    670,665.60x = 447,298,786,621.66
  5. Step 5: Solve for x
    x = 447,298,786,621.66/670,665.60
  6. Step 6: Final answer
    x = 666,947.56

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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.