Finding the Fourth Proportional to 916,252.14, 1,264,385.12 and 508,349.64
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Solution
The fourth proportional to 916,252.14, 1,264,385.12 and 508,349.64 is: 701,498.74
Step by Step Solution
- Step 1: Write the proportion equation
916,252.14 : 1,264,385.12 = 508,349.64 : x - Step 2: Convert to fraction form
916,252.14/1,264,385.12 = 508,349.64/x - Step 3: Cross multiply
916,252.14x = 1,264,385.12 × 508,349.64 - Step 4: Simplify right side
916,252.14x = 642,749,718,031.61 - Step 5: Solve for x
x = 642,749,718,031.61/916,252.14 - Step 6: Final answer
x = 701,498.74
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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.