Home / 648,683.90-973,118.72-199,442.50

Finding the Fourth Proportional to 648,683.90, 973,118.72 and 199,442.50

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Solution

The fourth proportional to 648,683.90, 973,118.72 and 199,442.50 is: 299,192.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,683.90 : 973,118.72 = 199,442.50 : x
  2. Step 2: Convert to fraction form
    648,683.90/973,118.72 = 199,442.50/x
  3. Step 3: Cross multiply
    648,683.90x = 973,118.72 × 199,442.50
  4. Step 4: Simplify right side
    648,683.90x = 194,081,230,313.60
  5. Step 5: Solve for x
    x = 194,081,230,313.60/648,683.90
  6. Step 6: Final answer
    x = 299,192.30

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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.