Finding the Fourth Proportional to 922,271.75, 1,272,735.02 and 498,335.75
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Solution
The fourth proportional to 922,271.75, 1,272,735.02 and 498,335.75 is: 687,703.34
Step by Step Solution
- Step 1: Write the proportion equation
922,271.75 : 1,272,735.02 = 498,335.75 : x - Step 2: Convert to fraction form
922,271.75/1,272,735.02 = 498,335.75/x - Step 3: Cross multiply
922,271.75x = 1,272,735.02 × 498,335.75 - Step 4: Simplify right side
922,271.75x = 634,249,360,742.97 - Step 5: Solve for x
x = 634,249,360,742.97/922,271.75 - Step 6: Final answer
x = 687,703.34
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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.