Home / 761,455.37-1,141,379.31-255,536.66

Finding the Fourth Proportional to 761,455.37, 1,141,379.31 and 255,536.66

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Solution

The fourth proportional to 761,455.37, 1,141,379.31 and 255,536.66 is: 383,035.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,455.37 : 1,141,379.31 = 255,536.66 : x
  2. Step 2: Convert to fraction form
    761,455.37/1,141,379.31 = 255,536.66/x
  3. Step 3: Cross multiply
    761,455.37x = 1,141,379.31 × 255,536.66
  4. Step 4: Simplify right side
    761,455.37x = 291,664,256,670.51
  5. Step 5: Solve for x
    x = 291,664,256,670.51/761,455.37
  6. Step 6: Final answer
    x = 383,035.26

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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.