Finding the Fourth Proportional to 762,781.84, 1,144,357.74 and 230,271.08
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Solution
The fourth proportional to 762,781.84, 1,144,357.74 and 230,271.08 is: 345,462.46
Step by Step Solution
- Step 1: Write the proportion equation
762,781.84 : 1,144,357.74 = 230,271.08 : x - Step 2: Convert to fraction form
762,781.84/1,144,357.74 = 230,271.08/x - Step 3: Cross multiply
762,781.84x = 1,144,357.74 × 230,271.08 - Step 4: Simplify right side
762,781.84x = 263,512,492,696.16 - Step 5: Solve for x
x = 263,512,492,696.16/762,781.84 - Step 6: Final answer
x = 345,462.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.