Finding the Fourth Proportional to 883,167.70, 1,317,959.62 and 878,115.74
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Solution
The fourth proportional to 883,167.70, 1,317,959.62 and 878,115.74 is: 1,310,420.53
Step by Step Solution
- Step 1: Write the proportion equation
883,167.70 : 1,317,959.62 = 878,115.74 : x - Step 2: Convert to fraction form
883,167.70/1,317,959.62 = 878,115.74/x - Step 3: Cross multiply
883,167.70x = 1,317,959.62 × 878,115.74 - Step 4: Simplify right side
883,167.70x = 1,157,321,087,006.42 - Step 5: Solve for x
x = 1,157,321,087,006.42/883,167.70 - Step 6: Final answer
x = 1,310,420.53
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.