Home / 648,650.20-973,068.30-199,408.74

Finding the Fourth Proportional to 648,650.20, 973,068.30 and 199,408.74

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Solution

The fourth proportional to 648,650.20, 973,068.30 and 199,408.74 is: 299,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,650.20 : 973,068.30 = 199,408.74 : x
  2. Step 2: Convert to fraction form
    648,650.20/973,068.30 = 199,408.74/x
  3. Step 3: Cross multiply
    648,650.20x = 973,068.30 × 199,408.74
  4. Step 4: Simplify right side
    648,650.20x = 194,038,323,636.94
  5. Step 5: Solve for x
    x = 194,038,323,636.94/648,650.20
  6. Step 6: Final answer
    x = 299,141.70

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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.