Finding the Fourth Proportional to 626,670.18, 864,713.61 and 358,346.34
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Solution
The fourth proportional to 626,670.18, 864,713.61 and 358,346.34 is: 494,465.78
Step by Step Solution
- Step 1: Write the proportion equation
626,670.18 : 864,713.61 = 358,346.34 : x - Step 2: Convert to fraction form
626,670.18/864,713.61 = 358,346.34/x - Step 3: Cross multiply
626,670.18x = 864,713.61 × 358,346.34 - Step 4: Simplify right side
626,670.18x = 309,866,957,291.69 - Step 5: Solve for x
x = 309,866,957,291.69/626,670.18 - Step 6: Final answer
x = 494,465.78
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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.