Finding the Fourth Proportional to 891,616.51, 1,230,430.65 and 509,651.49
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Solution
The fourth proportional to 891,616.51, 1,230,430.65 and 509,651.49 is: 703,318.98
Step by Step Solution
- Step 1: Write the proportion equation
891,616.51 : 1,230,430.65 = 509,651.49 : x - Step 2: Convert to fraction form
891,616.51/1,230,430.65 = 509,651.49/x - Step 3: Cross multiply
891,616.51x = 1,230,430.65 × 509,651.49 - Step 4: Simplify right side
891,616.51x = 627,090,819,683.88 - Step 5: Solve for x
x = 627,090,819,683.88/891,616.51 - Step 6: Final answer
x = 703,318.98
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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.