Home / 804,949.80-1,207,424.70-213,973.80

Finding the Fourth Proportional to 804,949.80, 1,207,424.70 and 213,973.80

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Solution

The fourth proportional to 804,949.80, 1,207,424.70 and 213,973.80 is: 320,960.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,949.80 : 1,207,424.70 = 213,973.80 : x
  2. Step 2: Convert to fraction form
    804,949.80/1,207,424.70 = 213,973.80/x
  3. Step 3: Cross multiply
    804,949.80x = 1,207,424.70 × 213,973.80
  4. Step 4: Simplify right side
    804,949.80x = 258,357,251,272.86
  5. Step 5: Solve for x
    x = 258,357,251,272.86/804,949.80
  6. Step 6: Final answer
    x = 320,960.70

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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.