Home / 470,828.40-705,205.80-329,823.60

Finding the Fourth Proportional to 470,828.40, 705,205.80 and 329,823.60

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Solution

The fourth proportional to 470,828.40, 705,205.80 and 329,823.60 is: 494,009.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,828.40 : 705,205.80 = 329,823.60 : x
  2. Step 2: Convert to fraction form
    470,828.40/705,205.80 = 329,823.60/x
  3. Step 3: Cross multiply
    470,828.40x = 705,205.80 × 329,823.60
  4. Step 4: Simplify right side
    470,828.40x = 232,593,515,696.88
  5. Step 5: Solve for x
    x = 232,593,515,696.88/470,828.40
  6. Step 6: Final answer
    x = 494,009.10

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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.