Finding the Fourth Proportional to 673,881.28, 1,011,062.58 and 289,468.63
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Solution
The fourth proportional to 673,881.28, 1,011,062.58 and 289,468.63 is: 434,306.32
Step by Step Solution
- Step 1: Write the proportion equation
673,881.28 : 1,011,062.58 = 289,468.63 : x - Step 2: Convert to fraction form
673,881.28/1,011,062.58 = 289,468.63/x - Step 3: Cross multiply
673,881.28x = 1,011,062.58 × 289,468.63 - Step 4: Simplify right side
673,881.28x = 292,670,899,876.87 - Step 5: Solve for x
x = 292,670,899,876.87/673,881.28 - Step 6: Final answer
x = 434,306.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.