Finding the Fourth Proportional to 805,132.80, 1,128,844.80 and 805,132.80
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Solution
The fourth proportional to 805,132.80, 1,128,844.80 and 805,132.80 is: 1,128,844.80
Step by Step Solution
- Step 1: Write the proportion equation
805,132.80 : 1,128,844.80 = 805,132.80 : x - Step 2: Convert to fraction form
805,132.80/1,128,844.80 = 805,132.80/x - Step 3: Cross multiply
805,132.80x = 1,128,844.80 × 805,132.80 - Step 4: Simplify right side
805,132.80x = 908,869,974,589.44 - Step 5: Solve for x
x = 908,869,974,589.44/805,132.80 - Step 6: Final answer
x = 1,128,844.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.