Finding the Fourth Proportional to 609,802.75, 841,053.93 and 416,366.05
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Solution
The fourth proportional to 609,802.75, 841,053.93 and 416,366.05 is: 574,261.60
Step by Step Solution
- Step 1: Write the proportion equation
609,802.75 : 841,053.93 = 416,366.05 : x - Step 2: Convert to fraction form
609,802.75/841,053.93 = 416,366.05/x - Step 3: Cross multiply
609,802.75x = 841,053.93 × 416,366.05 - Step 4: Simplify right side
609,802.75x = 350,186,302,671.08 - Step 5: Solve for x
x = 350,186,302,671.08/609,802.75 - Step 6: Final answer
x = 574,261.60
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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.