Finding the Fourth Proportional to 680,458.23, 937,005.44 and 665,354.09
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Solution
The fourth proportional to 680,458.23, 937,005.44 and 665,354.09 is: 916,206.72
Step by Step Solution
- Step 1: Write the proportion equation
680,458.23 : 937,005.44 = 665,354.09 : x - Step 2: Convert to fraction form
680,458.23/937,005.44 = 665,354.09/x - Step 3: Cross multiply
680,458.23x = 937,005.44 × 665,354.09 - Step 4: Simplify right side
680,458.23x = 623,440,400,871.99 - Step 5: Solve for x
x = 623,440,400,871.99/680,458.23 - Step 6: Final answer
x = 916,206.72
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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.