Finding the Fourth Proportional to 982,469.61, 1,355,698.35 and 552,740.49
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Solution
The fourth proportional to 982,469.61, 1,355,698.35 and 552,740.49 is: 762,720.15
Step by Step Solution
- Step 1: Write the proportion equation
982,469.61 : 1,355,698.35 = 552,740.49 : x - Step 2: Convert to fraction form
982,469.61/1,355,698.35 = 552,740.49/x - Step 3: Cross multiply
982,469.61x = 1,355,698.35 × 552,740.49 - Step 4: Simplify right side
982,469.61x = 749,349,370,271.19 - Step 5: Solve for x
x = 749,349,370,271.19/982,469.61 - Step 6: Final answer
x = 762,720.15
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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.