Home / 679,799.89-1,019,796.89-253,299.35

Finding the Fourth Proportional to 679,799.89, 1,019,796.89 and 253,299.35

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Solution

The fourth proportional to 679,799.89, 1,019,796.89 and 253,299.35 is: 379,985.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,799.89 : 1,019,796.89 = 253,299.35 : x
  2. Step 2: Convert to fraction form
    679,799.89/1,019,796.89 = 253,299.35/x
  3. Step 3: Cross multiply
    679,799.89x = 1,019,796.89 × 253,299.35
  4. Step 4: Simplify right side
    679,799.89x = 258,313,890,652.02
  5. Step 5: Solve for x
    x = 258,313,890,652.02/679,799.89
  6. Step 6: Final answer
    x = 379,985.19

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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.