Finding the Fourth Proportional to 778,745.80, 1,165,526.70 and 564,905.80
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Solution
The fourth proportional to 778,745.80, 1,165,526.70 and 564,905.80 is: 845,478.45
Step by Step Solution
- Step 1: Write the proportion equation
778,745.80 : 1,165,526.70 = 564,905.80 : x - Step 2: Convert to fraction form
778,745.80/1,165,526.70 = 564,905.80/x - Step 3: Cross multiply
778,745.80x = 1,165,526.70 × 564,905.80 - Step 4: Simplify right side
778,745.80x = 658,412,792,884.86 - Step 5: Solve for x
x = 658,412,792,884.86/778,745.80 - Step 6: Final answer
x = 845,478.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.