Finding the Fourth Proportional to 810,900.08, 1,119,039.32 and 453,204.08
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Solution
The fourth proportional to 810,900.08, 1,119,039.32 and 453,204.08 is: 625,420.07
Step by Step Solution
- Step 1: Write the proportion equation
810,900.08 : 1,119,039.32 = 453,204.08 : x - Step 2: Convert to fraction form
810,900.08/1,119,039.32 = 453,204.08/x - Step 3: Cross multiply
810,900.08x = 1,119,039.32 × 453,204.08 - Step 4: Simplify right side
810,900.08x = 507,153,185,504.43 - Step 5: Solve for x
x = 507,153,185,504.43/810,900.08 - Step 6: Final answer
x = 625,420.07
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1.5x scale
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.