Finding the Fourth Proportional to 1,149,802.40, 1,724,962.80 and 351,120.80
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Solution
The fourth proportional to 1,149,802.40, 1,724,962.80 and 351,120.80 is: 526,760.35
Step by Step Solution
- Step 1: Write the proportion equation
1,149,802.40 : 1,724,962.80 = 351,120.80 : x - Step 2: Convert to fraction form
1,149,802.40/1,724,962.80 = 351,120.80/x - Step 3: Cross multiply
1,149,802.40x = 1,724,962.80 × 351,120.80 - Step 4: Simplify right side
1,149,802.40x = 605,670,318,306.24 - Step 5: Solve for x
x = 605,670,318,306.24/1,149,802.40 - Step 6: Final answer
x = 526,760.35
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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.