Finding the Fourth Proportional to 619,353.44, 854,663.50 and 343,726.08
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Solution
The fourth proportional to 619,353.44, 854,663.50 and 343,726.08 is: 474,317.44
Step by Step Solution
- Step 1: Write the proportion equation
619,353.44 : 854,663.50 = 343,726.08 : x - Step 2: Convert to fraction form
619,353.44/854,663.50 = 343,726.08/x - Step 3: Cross multiply
619,353.44x = 854,663.50 × 343,726.08 - Step 4: Simplify right side
619,353.44x = 293,770,136,606.23 - Step 5: Solve for x
x = 293,770,136,606.23/619,353.44 - Step 6: Final answer
x = 474,317.44
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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.