Home / 679,223.85-1,019,019.53-229,944.77

Finding the Fourth Proportional to 679,223.85, 1,019,019.53 and 229,944.77

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Solution

The fourth proportional to 679,223.85, 1,019,019.53 and 229,944.77 is: 344,979.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,223.85 : 1,019,019.53 = 229,944.77 : x
  2. Step 2: Convert to fraction form
    679,223.85/1,019,019.53 = 229,944.77/x
  3. Step 3: Cross multiply
    679,223.85x = 1,019,019.53 × 229,944.77
  4. Step 4: Simplify right side
    679,223.85x = 234,318,211,451.36
  5. Step 5: Solve for x
    x = 234,318,211,451.36/679,223.85
  6. Step 6: Final answer
    x = 344,979.36

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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.