Finding the Fourth Proportional to 669,854.65, 924,409.91 and 363,937.09
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Solution
The fourth proportional to 669,854.65, 924,409.91 and 363,937.09 is: 502,238.89
Step by Step Solution
- Step 1: Write the proportion equation
669,854.65 : 924,409.91 = 363,937.09 : x - Step 2: Convert to fraction form
669,854.65/924,409.91 = 363,937.09/x - Step 3: Cross multiply
669,854.65x = 924,409.91 × 363,937.09 - Step 4: Simplify right side
669,854.65x = 336,427,052,612.56 - Step 5: Solve for x
x = 336,427,052,612.56/669,854.65 - Step 6: Final answer
x = 502,238.89
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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.