Finding the Fourth Proportional to 972,410.58, 1,341,993.96 and 542,774.70
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Solution
The fourth proportional to 972,410.58, 1,341,993.96 and 542,774.70 is: 749,066.68
Step by Step Solution
- Step 1: Write the proportion equation
972,410.58 : 1,341,993.96 = 542,774.70 : x - Step 2: Convert to fraction form
972,410.58/1,341,993.96 = 542,774.70/x - Step 3: Cross multiply
972,410.58x = 1,341,993.96 × 542,774.70 - Step 4: Simplify right side
972,410.58x = 728,400,369,040.81 - Step 5: Solve for x
x = 728,400,369,040.81/972,410.58 - Step 6: Final answer
x = 749,066.68
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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.