Finding the Fourth Proportional to 626,534.43, 864,618.12 and 340,054.62
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Solution
The fourth proportional to 626,534.43, 864,618.12 and 340,054.62 is: 469,275.70
Step by Step Solution
- Step 1: Write the proportion equation
626,534.43 : 864,618.12 = 340,054.62 : x - Step 2: Convert to fraction form
626,534.43/864,618.12 = 340,054.62/x - Step 3: Cross multiply
626,534.43x = 864,618.12 × 340,054.62 - Step 4: Simplify right side
626,534.43x = 294,017,386,241.71 - Step 5: Solve for x
x = 294,017,386,241.71/626,534.43 - Step 6: Final answer
x = 469,275.70
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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.