Finding the Fourth Proportional to 669,859.24, 924,405.54 and 368,072.68
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Solution
The fourth proportional to 669,859.24, 924,405.54 and 368,072.68 is: 507,940.18
Step by Step Solution
- Step 1: Write the proportion equation
669,859.24 : 924,405.54 = 368,072.68 : x - Step 2: Convert to fraction form
669,859.24/924,405.54 = 368,072.68/x - Step 3: Cross multiply
669,859.24x = 924,405.54 × 368,072.68 - Step 4: Simplify right side
669,859.24x = 340,248,424,514.65 - Step 5: Solve for x
x = 340,248,424,514.65/669,859.24 - Step 6: Final answer
x = 507,940.18
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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.