Home / 679,341.94-1,019,012.94-304,927.54

Finding the Fourth Proportional to 679,341.94, 1,019,012.94 and 304,927.54

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Solution

The fourth proportional to 679,341.94, 1,019,012.94 and 304,927.54 is: 457,391.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,341.94 : 1,019,012.94 = 304,927.54 : x
  2. Step 2: Convert to fraction form
    679,341.94/1,019,012.94 = 304,927.54/x
  3. Step 3: Cross multiply
    679,341.94x = 1,019,012.94 × 304,927.54
  4. Step 4: Simplify right side
    679,341.94x = 310,725,109,022.37
  5. Step 5: Solve for x
    x = 310,725,109,022.37/679,341.94
  6. Step 6: Final answer
    x = 457,391.32

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Similar ratio
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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.