Finding the Fourth Proportional to 679,625.19, 937,909.79 and 373,726.65
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Solution
The fourth proportional to 679,625.19, 937,909.79 and 373,726.65 is: 515,757.64
Step by Step Solution
- Step 1: Write the proportion equation
679,625.19 : 937,909.79 = 373,726.65 : x - Step 2: Convert to fraction form
679,625.19/937,909.79 = 373,726.65/x - Step 3: Cross multiply
679,625.19x = 937,909.79 × 373,726.65 - Step 4: Simplify right side
679,625.19x = 350,521,881,950.27 - Step 5: Solve for x
x = 350,521,881,950.27/679,625.19 - Step 6: Final answer
x = 515,757.64
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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.