Finding the Fourth Proportional to 778,655.47, 1,167,975.81 and 246,176.44
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Solution
The fourth proportional to 778,655.47, 1,167,975.81 and 246,176.44 is: 369,262.32
Step by Step Solution
- Step 1: Write the proportion equation
778,655.47 : 1,167,975.81 = 246,176.44 : x - Step 2: Convert to fraction form
778,655.47/1,167,975.81 = 246,176.44/x - Step 3: Cross multiply
778,655.47x = 1,167,975.81 × 246,176.44 - Step 4: Simplify right side
778,655.47x = 287,528,126,911.92 - Step 5: Solve for x
x = 287,528,126,911.92/778,655.47 - Step 6: Final answer
x = 369,262.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.