Finding the Fourth Proportional to 868,797.36, 1,198,972.80 and 486,810
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Solution
The fourth proportional to 868,797.36, 1,198,972.80 and 486,810 is: 671,815.98
Step by Step Solution
- Step 1: Write the proportion equation
868,797.36 : 1,198,972.80 = 486,810 : x - Step 2: Convert to fraction form
868,797.36/1,198,972.80 = 486,810/x - Step 3: Cross multiply
868,797.36x = 1,198,972.80 × 486,810 - Step 4: Simplify right side
868,797.36x = 583,671,948,768 - Step 5: Solve for x
x = 583,671,948,768/868,797.36 - Step 6: Final answer
x = 671,815.98
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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.