Home / 692,106.88-1,038,160.32-271,580.80

Finding the Fourth Proportional to 692,106.88, 1,038,160.32 and 271,580.80

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Solution

The fourth proportional to 692,106.88, 1,038,160.32 and 271,580.80 is: 407,371.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,106.88 : 1,038,160.32 = 271,580.80 : x
  2. Step 2: Convert to fraction form
    692,106.88/1,038,160.32 = 271,580.80/x
  3. Step 3: Cross multiply
    692,106.88x = 1,038,160.32 × 271,580.80
  4. Step 4: Simplify right side
    692,106.88x = 281,944,410,233.86
  5. Step 5: Solve for x
    x = 281,944,410,233.86/692,106.88
  6. Step 6: Final answer
    x = 407,371.20

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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.