Home / 839,262.85-1,259,019.32-299,477.03

Finding the Fourth Proportional to 839,262.85, 1,259,019.32 and 299,477.03

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Solution

The fourth proportional to 839,262.85, 1,259,019.32 and 299,477.03 is: 449,260.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,262.85 : 1,259,019.32 = 299,477.03 : x
  2. Step 2: Convert to fraction form
    839,262.85/1,259,019.32 = 299,477.03/x
  3. Step 3: Cross multiply
    839,262.85x = 1,259,019.32 × 299,477.03
  4. Step 4: Simplify right side
    839,262.85x = 377,047,358,873.74
  5. Step 5: Solve for x
    x = 377,047,358,873.74/839,262.85
  6. Step 6: Final answer
    x = 449,260.16

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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.