Finding the Fourth Proportional to 984,695.12, 1,358,879.30 and 531,986.12
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Solution
The fourth proportional to 984,695.12, 1,358,879.30 and 531,986.12 is: 734,140.86
Step by Step Solution
- Step 1: Write the proportion equation
984,695.12 : 1,358,879.30 = 531,986.12 : x - Step 2: Convert to fraction form
984,695.12/1,358,879.30 = 531,986.12/x - Step 3: Cross multiply
984,695.12x = 1,358,879.30 × 531,986.12 - Step 4: Simplify right side
984,695.12x = 722,904,926,355.32 - Step 5: Solve for x
x = 722,904,926,355.32/984,695.12 - Step 6: Final answer
x = 734,140.86
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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.