Finding the Fourth Proportional to 1,283,340.56, 1,770,988.48 and 710,368.40
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Solution
The fourth proportional to 1,283,340.56, 1,770,988.48 and 710,368.40 is: 980,296.50
Step by Step Solution
- Step 1: Write the proportion equation
1,283,340.56 : 1,770,988.48 = 710,368.40 : x - Step 2: Convert to fraction form
1,283,340.56/1,770,988.48 = 710,368.40/x - Step 3: Cross multiply
1,283,340.56x = 1,770,988.48 × 710,368.40 - Step 4: Simplify right side
1,283,340.56x = 1,258,054,252,956.03 - Step 5: Solve for x
x = 1,258,054,252,956.03/1,283,340.56 - Step 6: Final answer
x = 980,296.50
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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.