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Finding the Fourth Proportional to 503,403.89, 755,424.36 and 456,115.55

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Solution

The fourth proportional to 503,403.89, 755,424.36 and 456,115.55 is: 684,461.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,403.89 : 755,424.36 = 456,115.55 : x
  2. Step 2: Convert to fraction form
    503,403.89/755,424.36 = 456,115.55/x
  3. Step 3: Cross multiply
    503,403.89x = 755,424.36 × 456,115.55
  4. Step 4: Simplify right side
    503,403.89x = 344,560,793,667.68
  5. Step 5: Solve for x
    x = 344,560,793,667.68/503,403.89
  6. Step 6: Final answer
    x = 684,461.93

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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.