Finding the Fourth Proportional to 955,530.68, 1,318,638.54 and 525,798.68
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Solution
The fourth proportional to 955,530.68, 1,318,638.54 and 525,798.68 is: 725,605.59
Step by Step Solution
- Step 1: Write the proportion equation
955,530.68 : 1,318,638.54 = 525,798.68 : x - Step 2: Convert to fraction form
955,530.68/1,318,638.54 = 525,798.68/x - Step 3: Cross multiply
955,530.68x = 1,318,638.54 × 525,798.68 - Step 4: Simplify right side
955,530.68x = 693,338,403,729.13 - Step 5: Solve for x
x = 693,338,403,729.13/955,530.68 - Step 6: Final answer
x = 725,605.59
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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.