Finding the Fourth Proportional to 704,121.07, 971,687.34 and 381,831.08
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Solution
The fourth proportional to 704,121.07, 971,687.34 and 381,831.08 is: 526,927.03
Step by Step Solution
- Step 1: Write the proportion equation
704,121.07 : 971,687.34 = 381,831.08 : x - Step 2: Convert to fraction form
704,121.07/971,687.34 = 381,831.08/x - Step 3: Cross multiply
704,121.07x = 971,687.34 × 381,831.08 - Step 4: Simplify right side
704,121.07x = 371,020,427,903.32 - Step 5: Solve for x
x = 371,020,427,903.32/704,121.07 - Step 6: Final answer
x = 526,927.03
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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.