Finding the Fourth Proportional to 836,280.12, 1,154,029.59 and 473,696.70
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Solution
The fourth proportional to 836,280.12, 1,154,029.59 and 473,696.70 is: 653,680.50
Step by Step Solution
- Step 1: Write the proportion equation
836,280.12 : 1,154,029.59 = 473,696.70 : x - Step 2: Convert to fraction form
836,280.12/1,154,029.59 = 473,696.70/x - Step 3: Cross multiply
836,280.12x = 1,154,029.59 × 473,696.70 - Step 4: Simplify right side
836,280.12x = 546,660,008,485.35 - Step 5: Solve for x
x = 546,660,008,485.35/836,280.12 - Step 6: Final answer
x = 653,680.50
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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.