Finding the Fourth Proportional to 886,855.84, 1,223,815.44 and 484,370.08
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Solution
The fourth proportional to 886,855.84, 1,223,815.44 and 484,370.08 is: 668,405.79
Step by Step Solution
- Step 1: Write the proportion equation
886,855.84 : 1,223,815.44 = 484,370.08 : x - Step 2: Convert to fraction form
886,855.84/1,223,815.44 = 484,370.08/x - Step 3: Cross multiply
886,855.84x = 1,223,815.44 × 484,370.08 - Step 4: Simplify right side
886,855.84x = 592,779,582,578.04 - Step 5: Solve for x
x = 592,779,582,578.04/886,855.84 - Step 6: Final answer
x = 668,405.79
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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.