Finding the Fourth Proportional to 975,629.95, 1,345,474.87 and 837,762.08
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Solution
The fourth proportional to 975,629.95, 1,345,474.87 and 837,762.08 is: 1,155,343.60
Step by Step Solution
- Step 1: Write the proportion equation
975,629.95 : 1,345,474.87 = 837,762.08 : x - Step 2: Convert to fraction form
975,629.95/1,345,474.87 = 837,762.08/x - Step 3: Cross multiply
975,629.95x = 1,345,474.87 × 837,762.08 - Step 4: Simplify right side
975,629.95x = 1,127,187,816,857.15 - Step 5: Solve for x
x = 1,127,187,816,857.15/975,629.95 - Step 6: Final answer
x = 1,155,343.60
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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.