Home / 681,053.45-1,020,879.22-302,152.62

Finding the Fourth Proportional to 681,053.45, 1,020,879.22 and 302,152.62

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Solution

The fourth proportional to 681,053.45, 1,020,879.22 and 302,152.62 is: 452,917.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,053.45 : 1,020,879.22 = 302,152.62 : x
  2. Step 2: Convert to fraction form
    681,053.45/1,020,879.22 = 302,152.62/x
  3. Step 3: Cross multiply
    681,053.45x = 1,020,879.22 × 302,152.62
  4. Step 4: Simplify right side
    681,053.45x = 308,461,334,798.01
  5. Step 5: Solve for x
    x = 308,461,334,798.01/681,053.45
  6. Step 6: Final answer
    x = 452,917.95

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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.