Finding the Fourth Proportional to 783,869.36, 1,081,709.08 and 444,330.32
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Solution
The fourth proportional to 783,869.36, 1,081,709.08 and 444,330.32 is: 613,158.48
Step by Step Solution
- Step 1: Write the proportion equation
783,869.36 : 1,081,709.08 = 444,330.32 : x - Step 2: Convert to fraction form
783,869.36/1,081,709.08 = 444,330.32/x - Step 3: Cross multiply
783,869.36x = 1,081,709.08 × 444,330.32 - Step 4: Simplify right side
783,869.36x = 480,636,141,663.31 - Step 5: Solve for x
x = 480,636,141,663.31/783,869.36 - Step 6: Final answer
x = 613,158.48
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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.