Home / 519,250.60-778,818.30-145,311.40

Finding the Fourth Proportional to 519,250.60, 778,818.30 and 145,311.40

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Solution

The fourth proportional to 519,250.60, 778,818.30 and 145,311.40 is: 217,950.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,250.60 : 778,818.30 = 145,311.40 : x
  2. Step 2: Convert to fraction form
    519,250.60/778,818.30 = 145,311.40/x
  3. Step 3: Cross multiply
    519,250.60x = 778,818.30 × 145,311.40
  4. Step 4: Simplify right side
    519,250.60x = 113,171,177,518.62
  5. Step 5: Solve for x
    x = 113,171,177,518.62/519,250.60
  6. Step 6: Final answer
    x = 217,950.98

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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.