Finding the Fourth Proportional to 723,266.74, 1,084,287.48 and 442,193.50
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Solution
The fourth proportional to 723,266.74, 1,084,287.48 and 442,193.50 is: 662,915.70
Step by Step Solution
- Step 1: Write the proportion equation
723,266.74 : 1,084,287.48 = 442,193.50 : x - Step 2: Convert to fraction form
723,266.74/1,084,287.48 = 442,193.50/x - Step 3: Cross multiply
723,266.74x = 1,084,287.48 × 442,193.50 - Step 4: Simplify right side
723,266.74x = 479,464,875,787.38 - Step 5: Solve for x
x = 479,464,875,787.38/723,266.74 - Step 6: Final answer
x = 662,915.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.