Home / 826,506.20-1,239,277.56-320,475.98

Finding the Fourth Proportional to 826,506.20, 1,239,277.56 and 320,475.98

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Solution

The fourth proportional to 826,506.20, 1,239,277.56 and 320,475.98 is: 480,527.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,506.20 : 1,239,277.56 = 320,475.98 : x
  2. Step 2: Convert to fraction form
    826,506.20/1,239,277.56 = 320,475.98/x
  3. Step 3: Cross multiply
    826,506.20x = 1,239,277.56 × 320,475.98
  4. Step 4: Simplify right side
    826,506.20x = 397,158,690,533.01
  5. Step 5: Solve for x
    x = 397,158,690,533.01/826,506.20
  6. Step 6: Final answer
    x = 480,527.18

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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.