Home / 692,443.20-1,038,037.86-271,606.08

Finding the Fourth Proportional to 692,443.20, 1,038,037.86 and 271,606.08

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Solution

The fourth proportional to 692,443.20, 1,038,037.86 and 271,606.08 is: 407,163.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,443.20 : 1,038,037.86 = 271,606.08 : x
  2. Step 2: Convert to fraction form
    692,443.20/1,038,037.86 = 271,606.08/x
  3. Step 3: Cross multiply
    692,443.20x = 1,038,037.86 × 271,606.08
  4. Step 4: Simplify right side
    692,443.20x = 281,937,394,046.19
  5. Step 5: Solve for x
    x = 281,937,394,046.19/692,443.20
  6. Step 6: Final answer
    x = 407,163.21

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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.