Finding the Fourth Proportional to 984,129.94, 1,358,104.08 and 554,416.84
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Solution
The fourth proportional to 984,129.94, 1,358,104.08 and 554,416.84 is: 765,097.92
Step by Step Solution
- Step 1: Write the proportion equation
984,129.94 : 1,358,104.08 = 554,416.84 : x - Step 2: Convert to fraction form
984,129.94/1,358,104.08 = 554,416.84/x - Step 3: Cross multiply
984,129.94x = 1,358,104.08 × 554,416.84 - Step 4: Simplify right side
984,129.94x = 752,955,772,424.71 - Step 5: Solve for x
x = 752,955,772,424.71/984,129.94 - Step 6: Final answer
x = 765,097.92
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1.5x scale
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.