Finding the Fourth Proportional to 903,224.18, 1,246,451.11 and 495,328.91
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Solution
The fourth proportional to 903,224.18, 1,246,451.11 and 495,328.91 is: 683,554.84
Step by Step Solution
- Step 1: Write the proportion equation
903,224.18 : 1,246,451.11 = 495,328.91 : x - Step 2: Convert to fraction form
903,224.18/1,246,451.11 = 495,328.91/x - Step 3: Cross multiply
903,224.18x = 1,246,451.11 × 495,328.91 - Step 4: Simplify right side
903,224.18x = 617,403,262,214.01 - Step 5: Solve for x
x = 617,403,262,214.01/903,224.18 - Step 6: Final answer
x = 683,554.84
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1.5x scale
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.