Home / 890,600.70-1,336,063.05-291,395.10

Finding the Fourth Proportional to 890,600.70, 1,336,063.05 and 291,395.10

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Solution

The fourth proportional to 890,600.70, 1,336,063.05 and 291,395.10 is: 437,145.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,600.70 : 1,336,063.05 = 291,395.10 : x
  2. Step 2: Convert to fraction form
    890,600.70/1,336,063.05 = 291,395.10/x
  3. Step 3: Cross multiply
    890,600.70x = 1,336,063.05 × 291,395.10
  4. Step 4: Simplify right side
    890,600.70x = 389,322,226,061.06
  5. Step 5: Solve for x
    x = 389,322,226,061.06/890,600.70
  6. Step 6: Final answer
    x = 437,145.65

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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.