Home / 679,601.40-1,019,985.30-301,104.60

Finding the Fourth Proportional to 679,601.40, 1,019,985.30 and 301,104.60

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Solution

The fourth proportional to 679,601.40, 1,019,985.30 and 301,104.60 is: 451,915.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,601.40 : 1,019,985.30 = 301,104.60 : x
  2. Step 2: Convert to fraction form
    679,601.40/1,019,985.30 = 301,104.60/x
  3. Step 3: Cross multiply
    679,601.40x = 1,019,985.30 × 301,104.60
  4. Step 4: Simplify right side
    679,601.40x = 307,122,265,762.38
  5. Step 5: Solve for x
    x = 307,122,265,762.38/679,601.40
  6. Step 6: Final answer
    x = 451,915.29

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1.5x scale

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.