Home / 851,632.06-1,276,933.55-339,376.00

Finding the Fourth Proportional to 851,632.06, 1,276,933.55 and 339,376.00

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Solution

The fourth proportional to 851,632.06, 1,276,933.55 and 339,376.00 is: 508,858.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,632.06 : 1,276,933.55 = 339,376.00 : x
  2. Step 2: Convert to fraction form
    851,632.06/1,276,933.55 = 339,376.00/x
  3. Step 3: Cross multiply
    851,632.06x = 1,276,933.55 × 339,376.00
  4. Step 4: Simplify right side
    851,632.06x = 433,360,596,424.03
  5. Step 5: Solve for x
    x = 433,360,596,424.03/851,632.06
  6. Step 6: Final answer
    x = 508,858.95

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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.