Finding the Fourth Proportional to 742,088.96, 1,024,075.68 and 402,558.56
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Solution
The fourth proportional to 742,088.96, 1,024,075.68 and 402,558.56 is: 555,526.97
Step by Step Solution
- Step 1: Write the proportion equation
742,088.96 : 1,024,075.68 = 402,558.56 : x - Step 2: Convert to fraction form
742,088.96/1,024,075.68 = 402,558.56/x - Step 3: Cross multiply
742,088.96x = 1,024,075.68 × 402,558.56 - Step 4: Simplify right side
742,088.96x = 412,250,431,071.82 - Step 5: Solve for x
x = 412,250,431,071.82/742,088.96 - Step 6: Final answer
x = 555,526.97
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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.