Finding the Fourth Proportional to 903,781.68, 1,247,176.62 and 495,874.32
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Solution
The fourth proportional to 903,781.68, 1,247,176.62 and 495,874.32 is: 684,283.46
Step by Step Solution
- Step 1: Write the proportion equation
903,781.68 : 1,247,176.62 = 495,874.32 : x - Step 2: Convert to fraction form
903,781.68/1,247,176.62 = 495,874.32/x - Step 3: Cross multiply
903,781.68x = 1,247,176.62 × 495,874.32 - Step 4: Simplify right side
903,781.68x = 618,442,858,362.40 - Step 5: Solve for x
x = 618,442,858,362.40/903,781.68 - Step 6: Final answer
x = 684,283.46
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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.