Home / 890,993.12-1,336,354.36-291,941.01

Finding the Fourth Proportional to 890,993.12, 1,336,354.36 and 291,941.01

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Solution

The fourth proportional to 890,993.12, 1,336,354.36 and 291,941.01 is: 437,867.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,993.12 : 1,336,354.36 = 291,941.01 : x
  2. Step 2: Convert to fraction form
    890,993.12/1,336,354.36 = 291,941.01/x
  3. Step 3: Cross multiply
    890,993.12x = 1,336,354.36 × 291,941.01
  4. Step 4: Simplify right side
    890,993.12x = 390,136,640,846.45
  5. Step 5: Solve for x
    x = 390,136,640,846.45/890,993.12
  6. Step 6: Final answer
    x = 437,867.18

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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.