Finding the Fourth Proportional to 766,187.51, 1,148,492.69 and 339,924.08
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Solution
The fourth proportional to 766,187.51, 1,148,492.69 and 339,924.08 is: 509,536.26
Step by Step Solution
- Step 1: Write the proportion equation
766,187.51 : 1,148,492.69 = 339,924.08 : x - Step 2: Convert to fraction form
766,187.51/1,148,492.69 = 339,924.08/x - Step 3: Cross multiply
766,187.51x = 1,148,492.69 × 339,924.08 - Step 4: Simplify right side
766,187.51x = 390,400,321,034.98 - Step 5: Solve for x
x = 390,400,321,034.98/766,187.51 - Step 6: Final answer
x = 509,536.26
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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.