Home / 856,469.40-1,284,401.70-295,373.40

Finding the Fourth Proportional to 856,469.40, 1,284,401.70 and 295,373.40

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Solution

The fourth proportional to 856,469.40, 1,284,401.70 and 295,373.40 is: 442,955.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,469.40 : 1,284,401.70 = 295,373.40 : x
  2. Step 2: Convert to fraction form
    856,469.40/1,284,401.70 = 295,373.40/x
  3. Step 3: Cross multiply
    856,469.40x = 1,284,401.70 × 295,373.40
  4. Step 4: Simplify right side
    856,469.40x = 379,378,097,094.78
  5. Step 5: Solve for x
    x = 379,378,097,094.78/856,469.40
  6. Step 6: Final answer
    x = 442,955.81

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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.