Home / 912,735.44-1,368,811.96-313,552.12

Finding the Fourth Proportional to 912,735.44, 1,368,811.96 and 313,552.12

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Solution

The fourth proportional to 912,735.44, 1,368,811.96 and 313,552.12 is: 470,228.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,735.44 : 1,368,811.96 = 313,552.12 : x
  2. Step 2: Convert to fraction form
    912,735.44/1,368,811.96 = 313,552.12/x
  3. Step 3: Cross multiply
    912,735.44x = 1,368,811.96 × 313,552.12
  4. Step 4: Simplify right side
    912,735.44x = 429,193,891,939.36
  5. Step 5: Solve for x
    x = 429,193,891,939.36/912,735.44
  6. Step 6: Final answer
    x = 470,228.14

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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.