Finding the Fourth Proportional to 742,825.84, 1,025,099.64 and 403,294.12
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Solution
The fourth proportional to 742,825.84, 1,025,099.64 and 403,294.12 is: 556,545.88
Step by Step Solution
- Step 1: Write the proportion equation
742,825.84 : 1,025,099.64 = 403,294.12 : x - Step 2: Convert to fraction form
742,825.84/1,025,099.64 = 403,294.12/x - Step 3: Cross multiply
742,825.84x = 1,025,099.64 × 403,294.12 - Step 4: Simplify right side
742,825.84x = 413,416,657,226.12 - Step 5: Solve for x
x = 413,416,657,226.12/742,825.84 - Step 6: Final answer
x = 556,545.88
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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.