Home / 697,055.82-1,045,633.70-291,840.26

Finding the Fourth Proportional to 697,055.82, 1,045,633.70 and 291,840.26

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Solution

The fourth proportional to 697,055.82, 1,045,633.70 and 291,840.26 is: 437,781.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,055.82 : 1,045,633.70 = 291,840.26 : x
  2. Step 2: Convert to fraction form
    697,055.82/1,045,633.70 = 291,840.26/x
  3. Step 3: Cross multiply
    697,055.82x = 1,045,633.70 × 291,840.26
  4. Step 4: Simplify right side
    697,055.82x = 305,158,005,553.39
  5. Step 5: Solve for x
    x = 305,158,005,553.39/697,055.82
  6. Step 6: Final answer
    x = 437,781.31

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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.