Home / 830,577.30-1,245,969.69-325,072.92

Finding the Fourth Proportional to 830,577.30, 1,245,969.69 and 325,072.92

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Solution

The fourth proportional to 830,577.30, 1,245,969.69 and 325,072.92 is: 487,649.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,577.30 : 1,245,969.69 = 325,072.92 : x
  2. Step 2: Convert to fraction form
    830,577.30/1,245,969.69 = 325,072.92/x
  3. Step 3: Cross multiply
    830,577.30x = 1,245,969.69 × 325,072.92
  4. Step 4: Simplify right side
    830,577.30x = 405,031,005,359.80
  5. Step 5: Solve for x
    x = 405,031,005,359.80/830,577.30
  6. Step 6: Final answer
    x = 487,649.98

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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.