Finding the Fourth Proportional to 719,230.68, 992,463.30 and 396,934.92
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Solution
The fourth proportional to 719,230.68, 992,463.30 and 396,934.92 is: 547,728.78
Step by Step Solution
- Step 1: Write the proportion equation
719,230.68 : 992,463.30 = 396,934.92 : x - Step 2: Convert to fraction form
719,230.68/992,463.30 = 396,934.92/x - Step 3: Cross multiply
719,230.68x = 992,463.30 × 396,934.92 - Step 4: Simplify right side
719,230.68x = 393,943,340,588.44 - Step 5: Solve for x
x = 393,943,340,588.44/719,230.68 - Step 6: Final answer
x = 547,728.78
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.