Home / 830,865.48-1,245,798.88-324,823.72

Finding the Fourth Proportional to 830,865.48, 1,245,798.88 and 324,823.72

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Solution

The fourth proportional to 830,865.48, 1,245,798.88 and 324,823.72 is: 487,040.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,865.48 : 1,245,798.88 = 324,823.72 : x
  2. Step 2: Convert to fraction form
    830,865.48/1,245,798.88 = 324,823.72/x
  3. Step 3: Cross multiply
    830,865.48x = 1,245,798.88 × 324,823.72
  4. Step 4: Simplify right side
    830,865.48x = 404,665,026,573.43
  5. Step 5: Solve for x
    x = 404,665,026,573.43/830,865.48
  6. Step 6: Final answer
    x = 487,040.36

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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.