Finding the Fourth Proportional to 692,988.24, 956,313.69 and 387,068.97
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Solution
The fourth proportional to 692,988.24, 956,313.69 and 387,068.97 is: 534,149.55
Step by Step Solution
- Step 1: Write the proportion equation
692,988.24 : 956,313.69 = 387,068.97 : x - Step 2: Convert to fraction form
692,988.24/956,313.69 = 387,068.97/x - Step 3: Cross multiply
692,988.24x = 956,313.69 × 387,068.97 - Step 4: Simplify right side
692,988.24x = 370,159,354,985.20 - Step 5: Solve for x
x = 370,159,354,985.20/692,988.24 - Step 6: Final answer
x = 534,149.55
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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.