Finding the Fourth Proportional to 986,732, 1,361,695.74 and 551,167.68
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Solution
The fourth proportional to 986,732, 1,361,695.74 and 551,167.68 is: 760,614.52
Step by Step Solution
- Step 1: Write the proportion equation
986,732 : 1,361,695.74 = 551,167.68 : x - Step 2: Convert to fraction form
986,732/1,361,695.74 = 551,167.68/x - Step 3: Cross multiply
986,732x = 1,361,695.74 × 551,167.68 - Step 4: Simplify right side
986,732x = 750,522,681,881.68 - Step 5: Solve for x
x = 750,522,681,881.68/986,732 - Step 6: Final answer
x = 760,614.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.