Finding the Fourth Proportional to 903,378.88, 1,246,684.80 and 495,497.44
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Solution
The fourth proportional to 903,378.88, 1,246,684.80 and 495,497.44 is: 683,798.50
Step by Step Solution
- Step 1: Write the proportion equation
903,378.88 : 1,246,684.80 = 495,497.44 : x - Step 2: Convert to fraction form
903,378.88/1,246,684.80 = 495,497.44/x - Step 3: Cross multiply
903,378.88x = 1,246,684.80 × 495,497.44 - Step 4: Simplify right side
903,378.88x = 617,729,126,886.91 - Step 5: Solve for x
x = 617,729,126,886.91/903,378.88 - Step 6: Final answer
x = 683,798.50
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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.