Finding the Fourth Proportional to 539,534.18, 744,557.05 and 297,816.69
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Solution
The fourth proportional to 539,534.18, 744,557.05 and 297,816.69 is: 410,986.96
Step by Step Solution
- Step 1: Write the proportion equation
539,534.18 : 744,557.05 = 297,816.69 : x - Step 2: Convert to fraction form
539,534.18/744,557.05 = 297,816.69/x - Step 3: Cross multiply
539,534.18x = 744,557.05 × 297,816.69 - Step 4: Simplify right side
539,534.18x = 221,741,510,935.30 - Step 5: Solve for x
x = 221,741,510,935.30/539,534.18 - Step 6: Final answer
x = 410,986.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.