Finding the Fourth Proportional to 980,882.74, 1,353,739.08 and 551,153.50
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Solution
The fourth proportional to 980,882.74, 1,353,739.08 and 551,153.50 is: 760,659.76
Step by Step Solution
- Step 1: Write the proportion equation
980,882.74 : 1,353,739.08 = 551,153.50 : x - Step 2: Convert to fraction form
980,882.74/1,353,739.08 = 551,153.50/x - Step 3: Cross multiply
980,882.74x = 1,353,739.08 × 551,153.50 - Step 4: Simplify right side
980,882.74x = 746,118,032,028.78 - Step 5: Solve for x
x = 746,118,032,028.78/980,882.74 - Step 6: Final answer
x = 760,659.76
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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.