Home / 844,739.55-1,267,108.47-339,300.63

Finding the Fourth Proportional to 844,739.55, 1,267,108.47 and 339,300.63

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Solution

The fourth proportional to 844,739.55, 1,267,108.47 and 339,300.63 is: 508,950.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,739.55 : 1,267,108.47 = 339,300.63 : x
  2. Step 2: Convert to fraction form
    844,739.55/1,267,108.47 = 339,300.63/x
  3. Step 3: Cross multiply
    844,739.55x = 1,267,108.47 × 339,300.63
  4. Step 4: Simplify right side
    844,739.55x = 429,930,702,149.34
  5. Step 5: Solve for x
    x = 429,930,702,149.34/844,739.55
  6. Step 6: Final answer
    x = 508,950.60

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Double scale
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Similar ratio
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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.