Finding the Fourth Proportional to 992,988.67, 1,370,467.56 and 551,563.94
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Solution
The fourth proportional to 992,988.67, 1,370,467.56 and 551,563.94 is: 761,237.78
Step by Step Solution
- Step 1: Write the proportion equation
992,988.67 : 1,370,467.56 = 551,563.94 : x - Step 2: Convert to fraction form
992,988.67/1,370,467.56 = 551,563.94/x - Step 3: Cross multiply
992,988.67x = 1,370,467.56 × 551,563.94 - Step 4: Simplify right side
992,988.67x = 755,900,487,035.79 - Step 5: Solve for x
x = 755,900,487,035.79/992,988.67 - Step 6: Final answer
x = 761,237.78
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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.