Finding the Fourth Proportional to 955,071.36, 1,318,042.80 and 525,343.68
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Solution
The fourth proportional to 955,071.36, 1,318,042.80 and 525,343.68 is: 724,998.66
Step by Step Solution
- Step 1: Write the proportion equation
955,071.36 : 1,318,042.80 = 525,343.68 : x - Step 2: Convert to fraction form
955,071.36/1,318,042.80 = 525,343.68/x - Step 3: Cross multiply
955,071.36x = 1,318,042.80 × 525,343.68 - Step 4: Simplify right side
955,071.36x = 692,425,454,949.50 - Step 5: Solve for x
x = 692,425,454,949.50/955,071.36 - Step 6: Final answer
x = 724,998.66
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1.5x scale
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.