Finding the Fourth Proportional to 847,539.18, 1,169,115.39 and 507,810.60
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Solution
The fourth proportional to 847,539.18, 1,169,115.39 and 507,810.60 is: 700,485.83
Step by Step Solution
- Step 1: Write the proportion equation
847,539.18 : 1,169,115.39 = 507,810.60 : x - Step 2: Convert to fraction form
847,539.18/1,169,115.39 = 507,810.60/x - Step 3: Cross multiply
847,539.18x = 1,169,115.39 × 507,810.60 - Step 4: Simplify right side
847,539.18x = 593,689,187,665.13 - Step 5: Solve for x
x = 593,689,187,665.13/847,539.18 - Step 6: Final answer
x = 700,485.83
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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.