Finding the Fourth Proportional to 992,966.88, 1,370,253.36 and 540,259.68
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Solution
The fourth proportional to 992,966.88, 1,370,253.36 and 540,259.68 is: 745,536.09
Step by Step Solution
- Step 1: Write the proportion equation
992,966.88 : 1,370,253.36 = 540,259.68 : x - Step 2: Convert to fraction form
992,966.88/1,370,253.36 = 540,259.68/x - Step 3: Cross multiply
992,966.88x = 1,370,253.36 × 540,259.68 - Step 4: Simplify right side
992,966.88x = 740,292,641,792.53 - Step 5: Solve for x
x = 740,292,641,792.53/992,966.88 - Step 6: Final answer
x = 745,536.09
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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.