Finding the Fourth Proportional to 915,893.24, 1,264,083.97 and 508,126.45
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Solution
The fourth proportional to 915,893.24, 1,264,083.97 and 508,126.45 is: 701,298.44
Step by Step Solution
- Step 1: Write the proportion equation
915,893.24 : 1,264,083.97 = 508,126.45 : x - Step 2: Convert to fraction form
915,893.24/1,264,083.97 = 508,126.45/x - Step 3: Cross multiply
915,893.24x = 1,264,083.97 × 508,126.45 - Step 4: Simplify right side
915,893.24x = 642,314,500,178.01 - Step 5: Solve for x
x = 642,314,500,178.01/915,893.24 - Step 6: Final answer
x = 701,298.44
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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.