Finding the Fourth Proportional to 984,149.18, 1,358,125.95 and 554,429.19
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Solution
The fourth proportional to 984,149.18, 1,358,125.95 and 554,429.19 is: 765,112.33
Step by Step Solution
- Step 1: Write the proportion equation
984,149.18 : 1,358,125.95 = 554,429.19 : x - Step 2: Convert to fraction form
984,149.18/1,358,125.95 = 554,429.19/x - Step 3: Cross multiply
984,149.18x = 1,358,125.95 × 554,429.19 - Step 4: Simplify right side
984,149.18x = 752,984,670,376.48 - Step 5: Solve for x
x = 752,984,670,376.48/984,149.18 - Step 6: Final answer
x = 765,112.33
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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.