Finding the Fourth Proportional to 778,323.02, 1,167,387.93 and 209,748.58
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Solution
The fourth proportional to 778,323.02, 1,167,387.93 and 209,748.58 is: 314,596.84
Step by Step Solution
- Step 1: Write the proportion equation
778,323.02 : 1,167,387.93 = 209,748.58 : x - Step 2: Convert to fraction form
778,323.02/1,167,387.93 = 209,748.58/x - Step 3: Cross multiply
778,323.02x = 1,167,387.93 × 209,748.58 - Step 4: Simplify right side
778,323.02x = 244,857,957,708.17 - Step 5: Solve for x
x = 244,857,957,708.17/778,323.02 - Step 6: Final answer
x = 314,596.84
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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.