Home / 698,361.77-1,047,113.93-271,399.05

Finding the Fourth Proportional to 698,361.77, 1,047,113.93 and 271,399.05

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Solution

The fourth proportional to 698,361.77, 1,047,113.93 and 271,399.05 is: 406,931.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,361.77 : 1,047,113.93 = 271,399.05 : x
  2. Step 2: Convert to fraction form
    698,361.77/1,047,113.93 = 271,399.05/x
  3. Step 3: Cross multiply
    698,361.77x = 1,047,113.93 × 271,399.05
  4. Step 4: Simplify right side
    698,361.77x = 284,185,724,486.77
  5. Step 5: Solve for x
    x = 284,185,724,486.77/698,361.77
  6. Step 6: Final answer
    x = 406,931.96

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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.