Finding the Fourth Proportional to 810,894.08, 1,119,031.04 and 453,198.08
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Solution
The fourth proportional to 810,894.08, 1,119,031.04 and 453,198.08 is: 625,411.79
Step by Step Solution
- Step 1: Write the proportion equation
810,894.08 : 1,119,031.04 = 453,198.08 : x - Step 2: Convert to fraction form
810,894.08/1,119,031.04 = 453,198.08/x - Step 3: Cross multiply
810,894.08x = 1,119,031.04 × 453,198.08 - Step 4: Simplify right side
810,894.08x = 507,142,718,788.40 - Step 5: Solve for x
x = 507,142,718,788.40/810,894.08 - Step 6: Final answer
x = 625,411.79
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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.