Home / 978,771.48-1,467,875.34-268,822.68

Finding the Fourth Proportional to 978,771.48, 1,467,875.34 and 268,822.68

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Solution

The fourth proportional to 978,771.48, 1,467,875.34 and 268,822.68 is: 403,156.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,771.48 : 1,467,875.34 = 268,822.68 : x
  2. Step 2: Convert to fraction form
    978,771.48/1,467,875.34 = 268,822.68/x
  3. Step 3: Cross multiply
    978,771.48x = 1,467,875.34 × 268,822.68
  4. Step 4: Simplify right side
    978,771.48x = 394,598,182,804.71
  5. Step 5: Solve for x
    x = 394,598,182,804.71/978,771.48
  6. Step 6: Final answer
    x = 403,156.60

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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.