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Finding the Fourth Proportional to 525,280.41, 786,658.02 and 299,958.66

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Solution

The fourth proportional to 525,280.41, 786,658.02 and 299,958.66 is: 449,216.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,280.41 : 786,658.02 = 299,958.66 : x
  2. Step 2: Convert to fraction form
    525,280.41/786,658.02 = 299,958.66/x
  3. Step 3: Cross multiply
    525,280.41x = 786,658.02 × 299,958.66
  4. Step 4: Simplify right side
    525,280.41x = 235,964,885,557.45
  5. Step 5: Solve for x
    x = 235,964,885,557.45/525,280.41
  6. Step 6: Final answer
    x = 449,216.99

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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.