Finding the Fourth Proportional to 507,629.12, 700,528.08 and 303,688.68
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Solution
The fourth proportional to 507,629.12, 700,528.08 and 303,688.68 is: 419,090.32
Step by Step Solution
- Step 1: Write the proportion equation
507,629.12 : 700,528.08 = 303,688.68 : x - Step 2: Convert to fraction form
507,629.12/700,528.08 = 303,688.68/x - Step 3: Cross multiply
507,629.12x = 700,528.08 × 303,688.68 - Step 4: Simplify right side
507,629.12x = 212,742,447,918.13 - Step 5: Solve for x
x = 212,742,447,918.13/507,629.12 - Step 6: Final answer
x = 419,090.32
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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.