Finding the Fourth Proportional to 868,115.02, 1,197,965.14 and 486,122.26
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Solution
The fourth proportional to 868,115.02, 1,197,965.14 and 486,122.26 is: 670,829.91
Step by Step Solution
- Step 1: Write the proportion equation
868,115.02 : 1,197,965.14 = 486,122.26 : x - Step 2: Convert to fraction form
868,115.02/1,197,965.14 = 486,122.26/x - Step 3: Cross multiply
868,115.02x = 1,197,965.14 × 486,122.26 - Step 4: Simplify right side
868,115.02x = 582,357,521,258.02 - Step 5: Solve for x
x = 582,357,521,258.02/868,115.02 - Step 6: Final answer
x = 670,829.91
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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.