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Finding the Fourth Proportional to 619,055.60, 928,846.08 and 338,244.80

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Solution

The fourth proportional to 619,055.60, 928,846.08 and 338,244.80 is: 507,510.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,055.60 : 928,846.08 = 338,244.80 : x
  2. Step 2: Convert to fraction form
    619,055.60/928,846.08 = 338,244.80/x
  3. Step 3: Cross multiply
    619,055.60x = 928,846.08 × 338,244.80
  4. Step 4: Simplify right side
    619,055.60x = 314,177,356,560.38
  5. Step 5: Solve for x
    x = 314,177,356,560.38/619,055.60
  6. Step 6: Final answer
    x = 507,510.73

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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.