Home / 470,914.85-705,425.37-217,840.07

Finding the Fourth Proportional to 470,914.85, 705,425.37 and 217,840.07

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Solution

The fourth proportional to 470,914.85, 705,425.37 and 217,840.07 is: 326,322.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,914.85 : 705,425.37 = 217,840.07 : x
  2. Step 2: Convert to fraction form
    470,914.85/705,425.37 = 217,840.07/x
  3. Step 3: Cross multiply
    470,914.85x = 705,425.37 × 217,840.07
  4. Step 4: Simplify right side
    470,914.85x = 153,669,908,453.45
  5. Step 5: Solve for x
    x = 153,669,908,453.45/470,914.85
  6. Step 6: Final answer
    x = 326,322.07

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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.