Home / 785,455.98-1,177,186.46-406,305.51

Finding the Fourth Proportional to 785,455.98, 1,177,186.46 and 406,305.51

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Solution

The fourth proportional to 785,455.98, 1,177,186.46 and 406,305.51 is: 608,942.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,455.98 : 1,177,186.46 = 406,305.51 : x
  2. Step 2: Convert to fraction form
    785,455.98/1,177,186.46 = 406,305.51/x
  3. Step 3: Cross multiply
    785,455.98x = 1,177,186.46 × 406,305.51
  4. Step 4: Simplify right side
    785,455.98x = 478,297,342,963.87
  5. Step 5: Solve for x
    x = 478,297,342,963.87/785,455.98
  6. Step 6: Final answer
    x = 608,942.26

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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.