Home / 470,617.08-649,450.80-255,756.66

Finding the Fourth Proportional to 470,617.08, 649,450.80 and 255,756.66

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Solution

The fourth proportional to 470,617.08, 649,450.80 and 255,756.66 is: 352,943.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,617.08 : 649,450.80 = 255,756.66 : x
  2. Step 2: Convert to fraction form
    470,617.08/649,450.80 = 255,756.66/x
  3. Step 3: Cross multiply
    470,617.08x = 649,450.80 × 255,756.66
  4. Step 4: Simplify right side
    470,617.08x = 166,101,367,442.33
  5. Step 5: Solve for x
    x = 166,101,367,442.33/470,617.08
  6. Step 6: Final answer
    x = 352,943.77

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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.