Finding the Fourth Proportional to 546,129.74, 753,982.35 and 485,533.01
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Solution
The fourth proportional to 546,129.74, 753,982.35 and 485,533.01 is: 670,322.99
Step by Step Solution
- Step 1: Write the proportion equation
546,129.74 : 753,982.35 = 485,533.01 : x - Step 2: Convert to fraction form
546,129.74/753,982.35 = 485,533.01/x - Step 3: Cross multiply
546,129.74x = 753,982.35 × 485,533.01 - Step 4: Simplify right side
546,129.74x = 366,083,316,112.46 - Step 5: Solve for x
x = 366,083,316,112.46/546,129.74 - Step 6: Final answer
x = 670,322.99
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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.