Finding the Fourth Proportional to 903,782.18, 1,247,177.30 and 495,874.82
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Solution
The fourth proportional to 903,782.18, 1,247,177.30 and 495,874.82 is: 684,284.15
Step by Step Solution
- Step 1: Write the proportion equation
903,782.18 : 1,247,177.30 = 495,874.82 : x - Step 2: Convert to fraction form
903,782.18/1,247,177.30 = 495,874.82/x - Step 3: Cross multiply
903,782.18x = 1,247,177.30 × 495,874.82 - Step 4: Simplify right side
903,782.18x = 618,443,819,145.59 - Step 5: Solve for x
x = 618,443,819,145.59/903,782.18 - Step 6: Final answer
x = 684,284.15
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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.