Finding the Fourth Proportional to 987,246.60, 1,480,869.90 and 277,297.80
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Solution
The fourth proportional to 987,246.60, 1,480,869.90 and 277,297.80 is: 415,946.70
Step by Step Solution
- Step 1: Write the proportion equation
987,246.60 : 1,480,869.90 = 277,297.80 : x - Step 2: Convert to fraction form
987,246.60/1,480,869.90 = 277,297.80/x - Step 3: Cross multiply
987,246.60x = 1,480,869.90 × 277,297.80 - Step 4: Simplify right side
987,246.60x = 410,641,965,356.22 - Step 5: Solve for x
x = 410,641,965,356.22/987,246.60 - Step 6: Final answer
x = 415,946.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.