Finding the Fourth Proportional to 626,219.64, 864,184.95 and 339,742.08
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Solution
The fourth proportional to 626,219.64, 864,184.95 and 339,742.08 is: 468,845.07
Step by Step Solution
- Step 1: Write the proportion equation
626,219.64 : 864,184.95 = 339,742.08 : x - Step 2: Convert to fraction form
626,219.64/864,184.95 = 339,742.08/x - Step 3: Cross multiply
626,219.64x = 864,184.95 × 339,742.08 - Step 4: Simplify right side
626,219.64x = 293,599,992,417.70 - Step 5: Solve for x
x = 293,599,992,417.70/626,219.64 - Step 6: Final answer
x = 468,845.07
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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.