Finding the Fourth Proportional to 982,488.96, 1,355,820.86 and 552,768.05
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Solution
The fourth proportional to 982,488.96, 1,355,820.86 and 552,768.05 is: 762,812.09
Step by Step Solution
- Step 1: Write the proportion equation
982,488.96 : 1,355,820.86 = 552,768.05 : x - Step 2: Convert to fraction form
982,488.96/1,355,820.86 = 552,768.05/x - Step 3: Cross multiply
982,488.96x = 1,355,820.86 × 552,768.05 - Step 4: Simplify right side
982,488.96x = 749,454,457,703.00 - Step 5: Solve for x
x = 749,454,457,703.00/982,488.96 - Step 6: Final answer
x = 762,812.09
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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.