Home / 899,542.89-1,348,855.88-300,288.69

Finding the Fourth Proportional to 899,542.89, 1,348,855.88 and 300,288.69

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Solution

The fourth proportional to 899,542.89, 1,348,855.88 and 300,288.69 is: 450,279.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,542.89 : 1,348,855.88 = 300,288.69 : x
  2. Step 2: Convert to fraction form
    899,542.89/1,348,855.88 = 300,288.69/x
  3. Step 3: Cross multiply
    899,542.89x = 1,348,855.88 × 300,288.69
  4. Step 4: Simplify right side
    899,542.89x = 405,046,163,702.55
  5. Step 5: Solve for x
    x = 405,046,163,702.55/899,542.89
  6. Step 6: Final answer
    x = 450,279.99

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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.