Home / 862,947.42-1,295,004.21-301,986.78

Finding the Fourth Proportional to 862,947.42, 1,295,004.21 and 301,986.78

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Solution

The fourth proportional to 862,947.42, 1,295,004.21 and 301,986.78 is: 453,184.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,947.42 : 1,295,004.21 = 301,986.78 : x
  2. Step 2: Convert to fraction form
    862,947.42/1,295,004.21 = 301,986.78/x
  3. Step 3: Cross multiply
    862,947.42x = 1,295,004.21 × 301,986.78
  4. Step 4: Simplify right side
    862,947.42x = 391,074,151,464.34
  5. Step 5: Solve for x
    x = 391,074,151,464.34/862,947.42
  6. Step 6: Final answer
    x = 453,184.22

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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.