Home / 648,204.20-973,181.10-515,234.60

Finding the Fourth Proportional to 648,204.20, 973,181.10 and 515,234.60

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Solution

The fourth proportional to 648,204.20, 973,181.10 and 515,234.60 is: 773,547.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,204.20 : 973,181.10 = 515,234.60 : x
  2. Step 2: Convert to fraction form
    648,204.20/973,181.10 = 515,234.60/x
  3. Step 3: Cross multiply
    648,204.20x = 973,181.10 × 515,234.60
  4. Step 4: Simplify right side
    648,204.20x = 501,416,574,786.06
  5. Step 5: Solve for x
    x = 501,416,574,786.06/648,204.20
  6. Step 6: Final answer
    x = 773,547.25

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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.