Home / 749,957.45-1,034,933.84-405,785.77

Finding the Fourth Proportional to 749,957.45, 1,034,933.84 and 405,785.77

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Solution

The fourth proportional to 749,957.45, 1,034,933.84 and 405,785.77 is: 559,980.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,957.45 : 1,034,933.84 = 405,785.77 : x
  2. Step 2: Convert to fraction form
    749,957.45/1,034,933.84 = 405,785.77/x
  3. Step 3: Cross multiply
    749,957.45x = 1,034,933.84 × 405,785.77
  4. Step 4: Simplify right side
    749,957.45x = 419,961,422,068.89
  5. Step 5: Solve for x
    x = 419,961,422,068.89/749,957.45
  6. Step 6: Final answer
    x = 559,980.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.