Finding the Fourth Proportional to 797,574.06, 1,100,621.79 and 439,878.06
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Solution
The fourth proportional to 797,574.06, 1,100,621.79 and 439,878.06 is: 607,014.95
Step by Step Solution
- Step 1: Write the proportion equation
797,574.06 : 1,100,621.79 = 439,878.06 : x - Step 2: Convert to fraction form
797,574.06/1,100,621.79 = 439,878.06/x - Step 3: Cross multiply
797,574.06x = 1,100,621.79 × 439,878.06 - Step 4: Simplify right side
797,574.06x = 484,139,377,778.93 - Step 5: Solve for x
x = 484,139,377,778.93/797,574.06 - Step 6: Final answer
x = 607,014.95
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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.