Home / 975,485.70-1,462,244.40-443,388.60

Finding the Fourth Proportional to 975,485.70, 1,462,244.40 and 443,388.60

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Solution

The fourth proportional to 975,485.70, 1,462,244.40 and 443,388.60 is: 664,635.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,485.70 : 1,462,244.40 = 443,388.60 : x
  2. Step 2: Convert to fraction form
    975,485.70/1,462,244.40 = 443,388.60/x
  3. Step 3: Cross multiply
    975,485.70x = 1,462,244.40 × 443,388.60
  4. Step 4: Simplify right side
    975,485.70x = 648,342,497,373.84
  5. Step 5: Solve for x
    x = 648,342,497,373.84/975,485.70
  6. Step 6: Final answer
    x = 664,635.57

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1.5x scale

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.