Home / 940,122.74-1,409,884.59-308,890.10

Finding the Fourth Proportional to 940,122.74, 1,409,884.59 and 308,890.10

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Solution

The fourth proportional to 940,122.74, 1,409,884.59 and 308,890.10 is: 463,236.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,122.74 : 1,409,884.59 = 308,890.10 : x
  2. Step 2: Convert to fraction form
    940,122.74/1,409,884.59 = 308,890.10/x
  3. Step 3: Cross multiply
    940,122.74x = 1,409,884.59 × 308,890.10
  4. Step 4: Simplify right side
    940,122.74x = 435,499,391,993.56
  5. Step 5: Solve for x
    x = 435,499,391,993.56/940,122.74
  6. Step 6: Final answer
    x = 463,236.74

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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.