Home / 777,945.84-1,166,918.94-245,508.36

Finding the Fourth Proportional to 777,945.84, 1,166,918.94 and 245,508.36

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Solution

The fourth proportional to 777,945.84, 1,166,918.94 and 245,508.36 is: 368,262.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,945.84 : 1,166,918.94 = 245,508.36 : x
  2. Step 2: Convert to fraction form
    777,945.84/1,166,918.94 = 245,508.36/x
  3. Step 3: Cross multiply
    777,945.84x = 1,166,918.94 × 245,508.36
  4. Step 4: Simplify right side
    777,945.84x = 286,488,355,212.34
  5. Step 5: Solve for x
    x = 286,488,355,212.34/777,945.84
  6. Step 6: Final answer
    x = 368,262.60

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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.