Finding the Fourth Proportional to 865,887.98, 1,298,605.97 and 258,534.38
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Solution
The fourth proportional to 865,887.98, 1,298,605.97 and 258,534.38 is: 387,734.10
Step by Step Solution
- Step 1: Write the proportion equation
865,887.98 : 1,298,605.97 = 258,534.38 : x - Step 2: Convert to fraction form
865,887.98/1,298,605.97 = 258,534.38/x - Step 3: Cross multiply
865,887.98x = 1,298,605.97 × 258,534.38 - Step 4: Simplify right side
865,887.98x = 335,734,293,211.10 - Step 5: Solve for x
x = 335,734,293,211.10/865,887.98 - Step 6: Final answer
x = 387,734.10
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.