Finding the Fourth Proportional to 824,859.18, 1,237,382.24 and 740,098.58
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Solution
The fourth proportional to 824,859.18, 1,237,382.24 and 740,098.58 is: 1,110,231.74
Step by Step Solution
- Step 1: Write the proportion equation
824,859.18 : 1,237,382.24 = 740,098.58 : x - Step 2: Convert to fraction form
824,859.18/1,237,382.24 = 740,098.58/x - Step 3: Cross multiply
824,859.18x = 1,237,382.24 × 740,098.58 - Step 4: Simplify right side
824,859.18x = 915,784,838,741.22 - Step 5: Solve for x
x = 915,784,838,741.22/824,859.18 - Step 6: Final answer
x = 1,110,231.74
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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.