Finding the Fourth Proportional to 926,664.51, 1,389,464.40 and 493,848.99
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Solution
The fourth proportional to 926,664.51, 1,389,464.40 and 493,848.99 is: 740,489.77
Step by Step Solution
- Step 1: Write the proportion equation
926,664.51 : 1,389,464.40 = 493,848.99 : x - Step 2: Convert to fraction form
926,664.51/1,389,464.40 = 493,848.99/x - Step 3: Cross multiply
926,664.51x = 1,389,464.40 × 493,848.99 - Step 4: Simplify right side
926,664.51x = 686,185,590,580.96 - Step 5: Solve for x
x = 686,185,590,580.96/926,664.51 - Step 6: Final answer
x = 740,489.77
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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.