Home / 999,400.40-1,499,008.44-334,558.16

Finding the Fourth Proportional to 999,400.40, 1,499,008.44 and 334,558.16

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Solution

The fourth proportional to 999,400.40, 1,499,008.44 and 334,558.16 is: 501,806.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,400.40 : 1,499,008.44 = 334,558.16 : x
  2. Step 2: Convert to fraction form
    999,400.40/1,499,008.44 = 334,558.16/x
  3. Step 3: Cross multiply
    999,400.40x = 1,499,008.44 × 334,558.16
  4. Step 4: Simplify right side
    999,400.40x = 501,505,505,510.87
  5. Step 5: Solve for x
    x = 501,505,505,510.87/999,400.40
  6. Step 6: Final answer
    x = 501,806.39

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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.