Finding the Fourth Proportional to 912,613.19, 1,369,013.67 and 344,472.84
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Solution
The fourth proportional to 912,613.19, 1,369,013.67 and 344,472.84 is: 516,744.70
Step by Step Solution
- Step 1: Write the proportion equation
912,613.19 : 1,369,013.67 = 344,472.84 : x - Step 2: Convert to fraction form
912,613.19/1,369,013.67 = 344,472.84/x - Step 3: Cross multiply
912,613.19x = 1,369,013.67 × 344,472.84 - Step 4: Simplify right side
912,613.19x = 471,588,026,903.72 - Step 5: Solve for x
x = 471,588,026,903.72/912,613.19 - Step 6: Final answer
x = 516,744.70
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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.