Home / 838,830.99-1,258,152.29-231,705.60

Finding the Fourth Proportional to 838,830.99, 1,258,152.29 and 231,705.60

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Solution

The fourth proportional to 838,830.99, 1,258,152.29 and 231,705.60 is: 347,532.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,830.99 : 1,258,152.29 = 231,705.60 : x
  2. Step 2: Convert to fraction form
    838,830.99/1,258,152.29 = 231,705.60/x
  3. Step 3: Cross multiply
    838,830.99x = 1,258,152.29 × 231,705.60
  4. Step 4: Simplify right side
    838,830.99x = 291,520,930,087.30
  5. Step 5: Solve for x
    x = 291,520,930,087.30/838,830.99
  6. Step 6: Final answer
    x = 347,532.38

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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.