Finding the Fourth Proportional to 544,643.18, 751,554.94 and 315,154.70
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Solution
The fourth proportional to 544,643.18, 751,554.94 and 315,154.70 is: 434,883.02
Step by Step Solution
- Step 1: Write the proportion equation
544,643.18 : 751,554.94 = 315,154.70 : x - Step 2: Convert to fraction form
544,643.18/751,554.94 = 315,154.70/x - Step 3: Cross multiply
544,643.18x = 751,554.94 × 315,154.70 - Step 4: Simplify right side
544,643.18x = 236,856,071,649.22 - Step 5: Solve for x
x = 236,856,071,649.22/544,643.18 - Step 6: Final answer
x = 434,883.02
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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.