Home / 890,845.68-1,336,343.40-291,794.16

Finding the Fourth Proportional to 890,845.68, 1,336,343.40 and 291,794.16

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Solution

The fourth proportional to 890,845.68, 1,336,343.40 and 291,794.16 is: 437,715.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,845.68 : 1,336,343.40 = 291,794.16 : x
  2. Step 2: Convert to fraction form
    890,845.68/1,336,343.40 = 291,794.16/x
  3. Step 3: Cross multiply
    890,845.68x = 1,336,343.40 × 291,794.16
  4. Step 4: Simplify right side
    890,845.68x = 389,937,199,874.54
  5. Step 5: Solve for x
    x = 389,937,199,874.54/890,845.68
  6. Step 6: Final answer
    x = 437,715.77

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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.