Finding the Fourth Proportional to 985,246.79, 1,359,639.81 and 532,537.79
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Solution
The fourth proportional to 985,246.79, 1,359,639.81 and 532,537.79 is: 734,901.74
Step by Step Solution
- Step 1: Write the proportion equation
985,246.79 : 1,359,639.81 = 532,537.79 : x - Step 2: Convert to fraction form
985,246.79/1,359,639.81 = 532,537.79/x - Step 3: Cross multiply
985,246.79x = 1,359,639.81 × 532,537.79 - Step 4: Simplify right side
985,246.79x = 724,059,572,815.22 - Step 5: Solve for x
x = 724,059,572,815.22/985,246.79 - Step 6: Final answer
x = 734,901.74
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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.