Home / 785,201.70-1,177,802.55-705,485.55

Finding the Fourth Proportional to 785,201.70, 1,177,802.55 and 705,485.55

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Solution

The fourth proportional to 785,201.70, 1,177,802.55 and 705,485.55 is: 1,058,228.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,201.70 : 1,177,802.55 = 705,485.55 : x
  2. Step 2: Convert to fraction form
    785,201.70/1,177,802.55 = 705,485.55/x
  3. Step 3: Cross multiply
    785,201.70x = 1,177,802.55 × 705,485.55
  4. Step 4: Simplify right side
    785,201.70x = 830,922,679,778.15
  5. Step 5: Solve for x
    x = 830,922,679,778.15/785,201.70
  6. Step 6: Final answer
    x = 1,058,228.33

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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.