Finding the Fourth Proportional to 919,044.68, 1,268,345.94 and 537,113.48
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Solution
The fourth proportional to 919,044.68, 1,268,345.94 and 537,113.48 is: 741,254.17
Step by Step Solution
- Step 1: Write the proportion equation
919,044.68 : 1,268,345.94 = 537,113.48 : x - Step 2: Convert to fraction form
919,044.68/1,268,345.94 = 537,113.48/x - Step 3: Cross multiply
919,044.68x = 1,268,345.94 × 537,113.48 - Step 4: Simplify right side
919,044.68x = 681,245,701,677.27 - Step 5: Solve for x
x = 681,245,701,677.27/919,044.68 - Step 6: Final answer
x = 741,254.17
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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.