Home / 679,340.94-1,019,011.44-304,926.54

Finding the Fourth Proportional to 679,340.94, 1,019,011.44 and 304,926.54

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Solution

The fourth proportional to 679,340.94, 1,019,011.44 and 304,926.54 is: 457,389.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,340.94 : 1,019,011.44 = 304,926.54 : x
  2. Step 2: Convert to fraction form
    679,340.94/1,019,011.44 = 304,926.54/x
  3. Step 3: Cross multiply
    679,340.94x = 1,019,011.44 × 304,926.54
  4. Step 4: Simplify right side
    679,340.94x = 310,723,632,619.62
  5. Step 5: Solve for x
    x = 310,723,632,619.62/679,340.94
  6. Step 6: Final answer
    x = 457,389.82

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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.