Home / 804,985.30-1,207,465.38-205,941.28

Finding the Fourth Proportional to 804,985.30, 1,207,465.38 and 205,941.28

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Solution

The fourth proportional to 804,985.30, 1,207,465.38 and 205,941.28 is: 308,908.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,985.30 : 1,207,465.38 = 205,941.28 : x
  2. Step 2: Convert to fraction form
    804,985.30/1,207,465.38 = 205,941.28/x
  3. Step 3: Cross multiply
    804,985.30x = 1,207,465.38 × 205,941.28
  4. Step 4: Simplify right side
    804,985.30x = 248,666,965,912.89
  5. Step 5: Solve for x
    x = 248,666,965,912.89/804,985.30
  6. Step 6: Final answer
    x = 308,908.70

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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.