Home / 1,550.15-2,323.59-509.88

Finding the Fourth Proportional to 1,550.15, 2,323.59 and 509.88

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Solution

The fourth proportional to 1,550.15, 2,323.59 and 509.88 is: 764.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550.15 : 2,323.59 = 509.88 : x
  2. Step 2: Convert to fraction form
    1,550.15/2,323.59 = 509.88/x
  3. Step 3: Cross multiply
    1,550.15x = 2,323.59 × 509.88
  4. Step 4: Simplify right side
    1,550.15x = 1,184,752.07
  5. Step 5: Solve for x
    x = 1,184,752.07/1,550.15
  6. Step 6: Final answer
    x = 764.28

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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.