Finding the Fourth Proportional to 752,768.83, 1,129,154.85 and 529,129.98
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Solution
The fourth proportional to 752,768.83, 1,129,154.85 and 529,129.98 is: 793,696.10
Step by Step Solution
- Step 1: Write the proportion equation
752,768.83 : 1,129,154.85 = 529,129.98 : x - Step 2: Convert to fraction form
752,768.83/1,129,154.85 = 529,129.98/x - Step 3: Cross multiply
752,768.83x = 1,129,154.85 × 529,129.98 - Step 4: Simplify right side
752,768.83x = 597,469,683,197.40 - Step 5: Solve for x
x = 597,469,683,197.40/752,768.83 - Step 6: Final answer
x = 793,696.10
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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.