Home / 912,277.63-1,368,286-313,227.55

Finding the Fourth Proportional to 912,277.63, 1,368,286 and 313,227.55

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Solution

The fourth proportional to 912,277.63, 1,368,286 and 313,227.55 is: 469,796.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,277.63 : 1,368,286 = 313,227.55 : x
  2. Step 2: Convert to fraction form
    912,277.63/1,368,286 = 313,227.55/x
  3. Step 3: Cross multiply
    912,277.63x = 1,368,286 × 313,227.55
  4. Step 4: Simplify right side
    912,277.63x = 428,584,871,479.30
  5. Step 5: Solve for x
    x = 428,584,871,479.30/912,277.63
  6. Step 6: Final answer
    x = 469,796.54

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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.