Home / 975,076.80-1,462,615.20-443,635.80

Finding the Fourth Proportional to 975,076.80, 1,462,615.20 and 443,635.80

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Solution

The fourth proportional to 975,076.80, 1,462,615.20 and 443,635.80 is: 665,453.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,076.80 : 1,462,615.20 = 443,635.80 : x
  2. Step 2: Convert to fraction form
    975,076.80/1,462,615.20 = 443,635.80/x
  3. Step 3: Cross multiply
    975,076.80x = 1,462,615.20 × 443,635.80
  4. Step 4: Simplify right side
    975,076.80x = 648,868,464,344.16
  5. Step 5: Solve for x
    x = 648,868,464,344.16/975,076.80
  6. Step 6: Final answer
    x = 665,453.70

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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.