Finding the Fourth Proportional to 915,929.10, 1,264,133.50 and 508,162.26
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Solution
The fourth proportional to 915,929.10, 1,264,133.50 and 508,162.26 is: 701,347.89
Step by Step Solution
- Step 1: Write the proportion equation
915,929.10 : 1,264,133.50 = 508,162.26 : x - Step 2: Convert to fraction form
915,929.10/1,264,133.50 = 508,162.26/x - Step 3: Cross multiply
915,929.10x = 1,264,133.50 × 508,162.26 - Step 4: Simplify right side
915,929.10x = 642,384,941,375.31 - Step 5: Solve for x
x = 642,384,941,375.31/915,929.10 - Step 6: Final answer
x = 701,347.89
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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.