Finding the Fourth Proportional to 692,999.43, 956,354.90 and 406,725.99
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Solution
The fourth proportional to 692,999.43, 956,354.90 and 406,725.99 is: 561,291.07
Step by Step Solution
- Step 1: Write the proportion equation
692,999.43 : 956,354.90 = 406,725.99 : x - Step 2: Convert to fraction form
692,999.43/956,354.90 = 406,725.99/x - Step 3: Cross multiply
692,999.43x = 956,354.90 × 406,725.99 - Step 4: Simplify right side
692,999.43x = 388,974,391,460.22 - Step 5: Solve for x
x = 388,974,391,460.22/692,999.43 - Step 6: Final answer
x = 561,291.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.