Home / 830,370.69-1,245,943.62-324,800.69

Finding the Fourth Proportional to 830,370.69, 1,245,943.62 and 324,800.69

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Solution

The fourth proportional to 830,370.69, 1,245,943.62 and 324,800.69 is: 487,352.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,370.69 : 1,245,943.62 = 324,800.69 : x
  2. Step 2: Convert to fraction form
    830,370.69/1,245,943.62 = 324,800.69/x
  3. Step 3: Cross multiply
    830,370.69x = 1,245,943.62 × 324,800.69
  4. Step 4: Simplify right side
    830,370.69x = 404,683,341,247.38
  5. Step 5: Solve for x
    x = 404,683,341,247.38/830,370.69
  6. Step 6: Final answer
    x = 487,352.63

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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.