Home / 890,217.46-1,335,380.46-291,241.90

Finding the Fourth Proportional to 890,217.46, 1,335,380.46 and 291,241.90

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Solution

The fourth proportional to 890,217.46, 1,335,380.46 and 291,241.90 is: 436,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,217.46 : 1,335,380.46 = 291,241.90 : x
  2. Step 2: Convert to fraction form
    890,217.46/1,335,380.46 = 291,241.90/x
  3. Step 3: Cross multiply
    890,217.46x = 1,335,380.46 × 291,241.90
  4. Step 4: Simplify right side
    890,217.46x = 388,918,742,393.27
  5. Step 5: Solve for x
    x = 388,918,742,393.27/890,217.46
  6. Step 6: Final answer
    x = 436,880.60

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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.