Finding the Fourth Proportional to 903,226.43, 1,246,454.21 and 495,331.16
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Solution
The fourth proportional to 903,226.43, 1,246,454.21 and 495,331.16 is: 683,557.95
Step by Step Solution
- Step 1: Write the proportion equation
903,226.43 : 1,246,454.21 = 495,331.16 : x - Step 2: Convert to fraction form
903,226.43/1,246,454.21 = 495,331.16/x - Step 3: Cross multiply
903,226.43x = 1,246,454.21 × 495,331.16 - Step 4: Simplify right side
903,226.43x = 617,407,604,732.24 - Step 5: Solve for x
x = 617,407,604,732.24/903,226.43 - Step 6: Final answer
x = 683,557.95
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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.