Home / 778,415.03-1,167,615.54-245,936.04

Finding the Fourth Proportional to 778,415.03, 1,167,615.54 and 245,936.04

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Solution

The fourth proportional to 778,415.03, 1,167,615.54 and 245,936.04 is: 368,901.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,415.03 : 1,167,615.54 = 245,936.04 : x
  2. Step 2: Convert to fraction form
    778,415.03/1,167,615.54 = 245,936.04/x
  3. Step 3: Cross multiply
    778,415.03x = 1,167,615.54 × 245,936.04
  4. Step 4: Simplify right side
    778,415.03x = 287,158,742,150.06
  5. Step 5: Solve for x
    x = 287,158,742,150.06/778,415.03
  6. Step 6: Final answer
    x = 368,901.85

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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.