Home / 470,565.49-649,379.89-255,705.05

Finding the Fourth Proportional to 470,565.49, 649,379.89 and 255,705.05

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Solution

The fourth proportional to 470,565.49, 649,379.89 and 255,705.05 is: 352,872.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,565.49 : 649,379.89 = 255,705.05 : x
  2. Step 2: Convert to fraction form
    470,565.49/649,379.89 = 255,705.05/x
  3. Step 3: Cross multiply
    470,565.49x = 649,379.89 × 255,705.05
  4. Step 4: Simplify right side
    470,565.49x = 166,049,713,595.01
  5. Step 5: Solve for x
    x = 166,049,713,595.01/470,565.49
  6. Step 6: Final answer
    x = 352,872.69

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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.