Finding the Fourth Proportional to 986,364.36, 1,478,356.74 and 480,166.68
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Solution
The fourth proportional to 986,364.36, 1,478,356.74 and 480,166.68 is: 719,670.82
Step by Step Solution
- Step 1: Write the proportion equation
986,364.36 : 1,478,356.74 = 480,166.68 : x - Step 2: Convert to fraction form
986,364.36/1,478,356.74 = 480,166.68/x - Step 3: Cross multiply
986,364.36x = 1,478,356.74 × 480,166.68 - Step 4: Simplify right side
986,364.36x = 709,857,647,701.42 - Step 5: Solve for x
x = 709,857,647,701.42/986,364.36 - Step 6: Final answer
x = 719,670.82
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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.