Finding the Fourth Proportional to 791,271.99, 1,091,955.60 and 428,698.35
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Solution
The fourth proportional to 791,271.99, 1,091,955.60 and 428,698.35 is: 591,603.86
Step by Step Solution
- Step 1: Write the proportion equation
791,271.99 : 1,091,955.60 = 428,698.35 : x - Step 2: Convert to fraction form
791,271.99/1,091,955.60 = 428,698.35/x - Step 3: Cross multiply
791,271.99x = 1,091,955.60 × 428,698.35 - Step 4: Simplify right side
791,271.99x = 468,119,563,993.26 - Step 5: Solve for x
x = 468,119,563,993.26/791,271.99 - Step 6: Final answer
x = 591,603.86
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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.