Finding the Fourth Proportional to 912,593.60, 1,369,123.68 and 351,477.44
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Solution
The fourth proportional to 912,593.60, 1,369,123.68 and 351,477.44 is: 527,306.01
Step by Step Solution
- Step 1: Write the proportion equation
912,593.60 : 1,369,123.68 = 351,477.44 : x - Step 2: Convert to fraction form
912,593.60/1,369,123.68 = 351,477.44/x - Step 3: Cross multiply
912,593.60x = 1,369,123.68 × 351,477.44 - Step 4: Simplify right side
912,593.60x = 481,216,086,089.78 - Step 5: Solve for x
x = 481,216,086,089.78/912,593.60 - Step 6: Final answer
x = 527,306.01
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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.