Finding the Fourth Proportional to 912,266.09, 1,258,924.05 and 509,858.09
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Solution
The fourth proportional to 912,266.09, 1,258,924.05 and 509,858.09 is: 703,602.40
Step by Step Solution
- Step 1: Write the proportion equation
912,266.09 : 1,258,924.05 = 509,858.09 : x - Step 2: Convert to fraction form
912,266.09/1,258,924.05 = 509,858.09/x - Step 3: Cross multiply
912,266.09x = 1,258,924.05 × 509,858.09 - Step 4: Simplify right side
912,266.09x = 641,872,611,588.07 - Step 5: Solve for x
x = 641,872,611,588.07/912,266.09 - Step 6: Final answer
x = 703,602.40
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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.