Home / 890,601.70-1,336,064.55-291,396.10

Finding the Fourth Proportional to 890,601.70, 1,336,064.55 and 291,396.10

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Solution

The fourth proportional to 890,601.70, 1,336,064.55 and 291,396.10 is: 437,147.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,601.70 : 1,336,064.55 = 291,396.10 : x
  2. Step 2: Convert to fraction form
    890,601.70/1,336,064.55 = 291,396.10/x
  3. Step 3: Cross multiply
    890,601.70x = 1,336,064.55 × 291,396.10
  4. Step 4: Simplify right side
    890,601.70x = 389,323,999,218.26
  5. Step 5: Solve for x
    x = 389,323,999,218.26/890,601.70
  6. Step 6: Final answer
    x = 437,147.15

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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.