Home / 493,276.56-681,043.32-302,395.20

Finding the Fourth Proportional to 493,276.56, 681,043.32 and 302,395.20

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Solution

The fourth proportional to 493,276.56, 681,043.32 and 302,395.20 is: 417,502.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,276.56 : 681,043.32 = 302,395.20 : x
  2. Step 2: Convert to fraction form
    493,276.56/681,043.32 = 302,395.20/x
  3. Step 3: Cross multiply
    493,276.56x = 681,043.32 × 302,395.20
  4. Step 4: Simplify right side
    493,276.56x = 205,944,230,960.06
  5. Step 5: Solve for x
    x = 205,944,230,960.06/493,276.56
  6. Step 6: Final answer
    x = 417,502.57

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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.