Home / 533,739.82-736,488.20-318,834.26

Finding the Fourth Proportional to 533,739.82, 736,488.20 and 318,834.26

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Solution

The fourth proportional to 533,739.82, 736,488.20 and 318,834.26 is: 439,947.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,739.82 : 736,488.20 = 318,834.26 : x
  2. Step 2: Convert to fraction form
    533,739.82/736,488.20 = 318,834.26/x
  3. Step 3: Cross multiply
    533,739.82x = 736,488.20 × 318,834.26
  4. Step 4: Simplify right side
    533,739.82x = 234,817,670,245.73
  5. Step 5: Solve for x
    x = 234,817,670,245.73/533,739.82
  6. Step 6: Final answer
    x = 439,947.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.