Finding the Fourth Proportional to 992,971.88, 1,370,260.26 and 540,264.68
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Solution
The fourth proportional to 992,971.88, 1,370,260.26 and 540,264.68 is: 745,542.99
Step by Step Solution
- Step 1: Write the proportion equation
992,971.88 : 1,370,260.26 = 540,264.68 : x - Step 2: Convert to fraction form
992,971.88/1,370,260.26 = 540,264.68/x - Step 3: Cross multiply
992,971.88x = 1,370,260.26 × 540,264.68 - Step 4: Simplify right side
992,971.88x = 740,303,220,885.62 - Step 5: Solve for x
x = 740,303,220,885.62/992,971.88 - Step 6: Final answer
x = 745,542.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.