Finding the Fourth Proportional to 816,873.18, 1,127,219.67 and 454,297.74
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Solution
The fourth proportional to 816,873.18, 1,127,219.67 and 454,297.74 is: 626,894.55
Step by Step Solution
- Step 1: Write the proportion equation
816,873.18 : 1,127,219.67 = 454,297.74 : x - Step 2: Convert to fraction form
816,873.18/1,127,219.67 = 454,297.74/x - Step 3: Cross multiply
816,873.18x = 1,127,219.67 × 454,297.74 - Step 4: Simplify right side
816,873.18x = 512,093,348,564.55 - Step 5: Solve for x
x = 512,093,348,564.55/816,873.18 - Step 6: Final answer
x = 626,894.55
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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.