Finding the Fourth Proportional to 766,292.14, 1,149,577.63 and 316,768.87
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Solution
The fourth proportional to 766,292.14, 1,149,577.63 and 316,768.87 is: 475,210.94
Step by Step Solution
- Step 1: Write the proportion equation
766,292.14 : 1,149,577.63 = 316,768.87 : x - Step 2: Convert to fraction form
766,292.14/1,149,577.63 = 316,768.87/x - Step 3: Cross multiply
766,292.14x = 1,149,577.63 × 316,768.87 - Step 4: Simplify right side
766,292.14x = 364,150,403,166.51 - Step 5: Solve for x
x = 364,150,403,166.51/766,292.14 - Step 6: Final answer
x = 475,210.94
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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.