Finding the Fourth Proportional to 1,009,283.58, 1,514,168.64 and 378,202.86
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Solution
The fourth proportional to 1,009,283.58, 1,514,168.64 and 378,202.86 is: 567,395.45
Step by Step Solution
- Step 1: Write the proportion equation
1,009,283.58 : 1,514,168.64 = 378,202.86 : x - Step 2: Convert to fraction form
1,009,283.58/1,514,168.64 = 378,202.86/x - Step 3: Cross multiply
1,009,283.58x = 1,514,168.64 × 378,202.86 - Step 4: Simplify right side
1,009,283.58x = 572,662,910,170.31 - Step 5: Solve for x
x = 572,662,910,170.31/1,009,283.58 - Step 6: Final answer
x = 567,395.45
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1.5x scale
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.