Finding the Fourth Proportional to 808,772.65, 1,116,106.37 and 446,197.38
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Solution
The fourth proportional to 808,772.65, 1,116,106.37 and 446,197.38 is: 615,752.45
Step by Step Solution
- Step 1: Write the proportion equation
808,772.65 : 1,116,106.37 = 446,197.38 : x - Step 2: Convert to fraction form
808,772.65/1,116,106.37 = 446,197.38/x - Step 3: Cross multiply
808,772.65x = 1,116,106.37 × 446,197.38 - Step 4: Simplify right side
808,772.65x = 498,003,738,095.31 - Step 5: Solve for x
x = 498,003,738,095.31/808,772.65 - Step 6: Final answer
x = 615,752.45
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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.