Home / 470,306.94-649,028.34-255,451.20

Finding the Fourth Proportional to 470,306.94, 649,028.34 and 255,451.20

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Solution

The fourth proportional to 470,306.94, 649,028.34 and 255,451.20 is: 352,525.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,306.94 : 649,028.34 = 255,451.20 : x
  2. Step 2: Convert to fraction form
    470,306.94/649,028.34 = 255,451.20/x
  3. Step 3: Cross multiply
    470,306.94x = 649,028.34 × 255,451.20
  4. Step 4: Simplify right side
    470,306.94x = 165,795,068,287.01
  5. Step 5: Solve for x
    x = 165,795,068,287.01/470,306.94
  6. Step 6: Final answer
    x = 352,525.24

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1.5x scale

Why These Related Problems?

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