Home / 470,822.40-705,196.80-329,817.60

Finding the Fourth Proportional to 470,822.40, 705,196.80 and 329,817.60

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Solution

The fourth proportional to 470,822.40, 705,196.80 and 329,817.60 is: 494,000.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,822.40 : 705,196.80 = 329,817.60 : x
  2. Step 2: Convert to fraction form
    470,822.40/705,196.80 = 329,817.60/x
  3. Step 3: Cross multiply
    470,822.40x = 705,196.80 × 329,817.60
  4. Step 4: Simplify right side
    470,822.40x = 232,586,316,103.68
  5. Step 5: Solve for x
    x = 232,586,316,103.68/470,822.40
  6. Step 6: Final answer
    x = 494,000.11

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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.