Home / 945,024.60-1,416,629.70-313,613.40

Finding the Fourth Proportional to 945,024.60, 1,416,629.70 and 313,613.40

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Solution

The fourth proportional to 945,024.60, 1,416,629.70 and 313,613.40 is: 470,119.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,024.60 : 1,416,629.70 = 313,613.40 : x
  2. Step 2: Convert to fraction form
    945,024.60/1,416,629.70 = 313,613.40/x
  3. Step 3: Cross multiply
    945,024.60x = 1,416,629.70 × 313,613.40
  4. Step 4: Simplify right side
    945,024.60x = 444,274,056,757.98
  5. Step 5: Solve for x
    x = 444,274,056,757.98/945,024.60
  6. Step 6: Final answer
    x = 470,119.04

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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.