Finding the Fourth Proportional to 742,202.19, 1,024,240.98 and 402,670.44
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Solution
The fourth proportional to 742,202.19, 1,024,240.98 and 402,670.44 is: 555,686.27
Step by Step Solution
- Step 1: Write the proportion equation
742,202.19 : 1,024,240.98 = 402,670.44 : x - Step 2: Convert to fraction form
742,202.19/1,024,240.98 = 402,670.44/x - Step 3: Cross multiply
742,202.19x = 1,024,240.98 × 402,670.44 - Step 4: Simplify right side
742,202.19x = 412,431,561,968.10 - Step 5: Solve for x
x = 412,431,561,968.10/742,202.19 - Step 6: Final answer
x = 555,686.27
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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.