Home / 785,658.33-1,178,555.46-217,039.26

Finding the Fourth Proportional to 785,658.33, 1,178,555.46 and 217,039.26

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Solution

The fourth proportional to 785,658.33, 1,178,555.46 and 217,039.26 is: 325,577.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,658.33 : 1,178,555.46 = 217,039.26 : x
  2. Step 2: Convert to fraction form
    785,658.33/1,178,555.46 = 217,039.26/x
  3. Step 3: Cross multiply
    785,658.33x = 1,178,555.46 × 217,039.26
  4. Step 4: Simplify right side
    785,658.33x = 255,792,804,907.36
  5. Step 5: Solve for x
    x = 255,792,804,907.36/785,658.33
  6. Step 6: Final answer
    x = 325,577.67

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Double scale
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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.