Finding the Fourth Proportional to 1,009,877.19, 1,514,372.31 and 378,348.18
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Solution
The fourth proportional to 1,009,877.19, 1,514,372.31 and 378,348.18 is: 567,356.12
Step by Step Solution
- Step 1: Write the proportion equation
1,009,877.19 : 1,514,372.31 = 378,348.18 : x - Step 2: Convert to fraction form
1,009,877.19/1,514,372.31 = 378,348.18/x - Step 3: Cross multiply
1,009,877.19x = 1,514,372.31 × 378,348.18 - Step 4: Simplify right side
1,009,877.19x = 572,960,007,330.90 - Step 5: Solve for x
x = 572,960,007,330.90/1,009,877.19 - Step 6: Final answer
x = 567,356.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.