Home / 470,978.02-649,954.02-256,120.12

Finding the Fourth Proportional to 470,978.02, 649,954.02 and 256,120.12

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Solution

The fourth proportional to 470,978.02, 649,954.02 and 256,120.12 is: 353,448.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,978.02 : 649,954.02 = 256,120.12 : x
  2. Step 2: Convert to fraction form
    470,978.02/649,954.02 = 256,120.12/x
  3. Step 3: Cross multiply
    470,978.02x = 649,954.02 × 256,120.12
  4. Step 4: Simplify right side
    470,978.02x = 166,466,301,596.88
  5. Step 5: Solve for x
    x = 166,466,301,596.88/470,978.02
  6. Step 6: Final answer
    x = 353,448.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.