Finding the Fourth Proportional to 763,774.36, 1,145,513.92 and 725,840.84
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Solution
The fourth proportional to 763,774.36, 1,145,513.92 and 725,840.84 is: 1,088,620.97
Step by Step Solution
- Step 1: Write the proportion equation
763,774.36 : 1,145,513.92 = 725,840.84 : x - Step 2: Convert to fraction form
763,774.36/1,145,513.92 = 725,840.84/x - Step 3: Cross multiply
763,774.36x = 1,145,513.92 × 725,840.84 - Step 4: Simplify right side
763,774.36x = 831,460,785,924.49 - Step 5: Solve for x
x = 831,460,785,924.49/763,774.36 - Step 6: Final answer
x = 1,088,620.97
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.