Finding the Fourth Proportional to 972,322.17, 1,341,802.44 and 542,576.67
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Solution
The fourth proportional to 972,322.17, 1,341,802.44 and 542,576.67 is: 748,754.60
Step by Step Solution
- Step 1: Write the proportion equation
972,322.17 : 1,341,802.44 = 542,576.67 : x - Step 2: Convert to fraction form
972,322.17/1,341,802.44 = 542,576.67/x - Step 3: Cross multiply
972,322.17x = 1,341,802.44 × 542,576.67 - Step 4: Simplify right side
972,322.17x = 728,030,699,693.08 - Step 5: Solve for x
x = 728,030,699,693.08/972,322.17 - Step 6: Final answer
x = 748,754.60
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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.