Finding the Fourth Proportional to 742,202.69, 1,024,241.68 and 402,670.94
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Solution
The fourth proportional to 742,202.69, 1,024,241.68 and 402,670.94 is: 555,686.96
Step by Step Solution
- Step 1: Write the proportion equation
742,202.69 : 1,024,241.68 = 402,670.94 : x - Step 2: Convert to fraction form
742,202.69/1,024,241.68 = 402,670.94/x - Step 3: Cross multiply
742,202.69x = 1,024,241.68 × 402,670.94 - Step 4: Simplify right side
742,202.69x = 412,432,352,938.22 - Step 5: Solve for x
x = 412,432,352,938.22/742,202.69 - Step 6: Final answer
x = 555,686.96
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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.