Finding the Fourth Proportional to 657,747.60, 986,329.80 and 302,578.80
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Solution
The fourth proportional to 657,747.60, 986,329.80 and 302,578.80 is: 453,734.06
Step by Step Solution
- Step 1: Write the proportion equation
657,747.60 : 986,329.80 = 302,578.80 : x - Step 2: Convert to fraction form
657,747.60/986,329.80 = 302,578.80/x - Step 3: Cross multiply
657,747.60x = 986,329.80 × 302,578.80 - Step 4: Simplify right side
657,747.60x = 298,442,487,288.24 - Step 5: Solve for x
x = 298,442,487,288.24/657,747.60 - Step 6: Final answer
x = 453,734.06
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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.