Home / 780,816.06-1,077,481.44-431,935.65

Finding the Fourth Proportional to 780,816.06, 1,077,481.44 and 431,935.65

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Solution

The fourth proportional to 780,816.06, 1,077,481.44 and 431,935.65 is: 596,046.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,816.06 : 1,077,481.44 = 431,935.65 : x
  2. Step 2: Convert to fraction form
    780,816.06/1,077,481.44 = 431,935.65/x
  3. Step 3: Cross multiply
    780,816.06x = 1,077,481.44 × 431,935.65
  4. Step 4: Simplify right side
    780,816.06x = 465,402,646,149.34
  5. Step 5: Solve for x
    x = 465,402,646,149.34/780,816.06
  6. Step 6: Final answer
    x = 596,046.46

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Double scale
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1.5x scale

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.