Home / 839,408.24-1,258,900.68-240,373.28

Finding the Fourth Proportional to 839,408.24, 1,258,900.68 and 240,373.28

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Solution

The fourth proportional to 839,408.24, 1,258,900.68 and 240,373.28 is: 360,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,408.24 : 1,258,900.68 = 240,373.28 : x
  2. Step 2: Convert to fraction form
    839,408.24/1,258,900.68 = 240,373.28/x
  3. Step 3: Cross multiply
    839,408.24x = 1,258,900.68 × 240,373.28
  4. Step 4: Simplify right side
    839,408.24x = 302,606,085,645.83
  5. Step 5: Solve for x
    x = 302,606,085,645.83/839,408.24
  6. Step 6: Final answer
    x = 360,499.30

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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.