Finding the Fourth Proportional to 742,234.95, 1,024,175.37 and 415,531.02
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Solution
The fourth proportional to 742,234.95, 1,024,175.37 and 415,531.02 is: 573,371.86
Step by Step Solution
- Step 1: Write the proportion equation
742,234.95 : 1,024,175.37 = 415,531.02 : x - Step 2: Convert to fraction form
742,234.95/1,024,175.37 = 415,531.02/x - Step 3: Cross multiply
742,234.95x = 1,024,175.37 × 415,531.02 - Step 4: Simplify right side
742,234.95x = 425,576,636,154.98 - Step 5: Solve for x
x = 425,576,636,154.98/742,234.95 - Step 6: Final answer
x = 573,371.86
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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.