Finding the Fourth Proportional to 631,972.65, 872,132.63 and 377,346.09
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Solution
The fourth proportional to 631,972.65, 872,132.63 and 377,346.09 is: 520,743.80
Step by Step Solution
- Step 1: Write the proportion equation
631,972.65 : 872,132.63 = 377,346.09 : x - Step 2: Convert to fraction form
631,972.65/872,132.63 = 377,346.09/x - Step 3: Cross multiply
631,972.65x = 872,132.63 × 377,346.09 - Step 4: Simplify right side
631,972.65x = 329,095,837,891.92 - Step 5: Solve for x
x = 329,095,837,891.92/631,972.65 - Step 6: Final answer
x = 520,743.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.