Home / 437,302.80-655,954.20-288,003.60

Finding the Fourth Proportional to 437,302.80, 655,954.20 and 288,003.60

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Solution

The fourth proportional to 437,302.80, 655,954.20 and 288,003.60 is: 432,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,302.80 : 655,954.20 = 288,003.60 : x
  2. Step 2: Convert to fraction form
    437,302.80/655,954.20 = 288,003.60/x
  3. Step 3: Cross multiply
    437,302.80x = 655,954.20 × 288,003.60
  4. Step 4: Simplify right side
    437,302.80x = 188,917,171,035.12
  5. Step 5: Solve for x
    x = 188,917,171,035.12/437,302.80
  6. Step 6: Final answer
    x = 432,005.40

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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.