Finding the Fourth Proportional to 742,552.92, 1,023,948.36 and 440,688.60
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Solution
The fourth proportional to 742,552.92, 1,023,948.36 and 440,688.60 is: 607,690.52
Step by Step Solution
- Step 1: Write the proportion equation
742,552.92 : 1,023,948.36 = 440,688.60 : x - Step 2: Convert to fraction form
742,552.92/1,023,948.36 = 440,688.60/x - Step 3: Cross multiply
742,552.92x = 1,023,948.36 × 440,688.60 - Step 4: Simplify right side
742,552.92x = 451,242,369,240.70 - Step 5: Solve for x
x = 451,242,369,240.70/742,552.92 - Step 6: Final answer
x = 607,690.52
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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.