Finding the Fourth Proportional to 626,364.08, 864,384.76 and 339,884.19
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Solution
The fourth proportional to 626,364.08, 864,384.76 and 339,884.19 is: 469,041.45
Step by Step Solution
- Step 1: Write the proportion equation
626,364.08 : 864,384.76 = 339,884.19 : x - Step 2: Convert to fraction form
626,364.08/864,384.76 = 339,884.19/x - Step 3: Cross multiply
626,364.08x = 864,384.76 × 339,884.19 - Step 4: Simplify right side
626,364.08x = 293,790,714,000.94 - Step 5: Solve for x
x = 293,790,714,000.94/626,364.08 - Step 6: Final answer
x = 469,041.45
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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.