Finding the Fourth Proportional to 546,584.99, 753,971.54 and 328,642.28
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Solution
The fourth proportional to 546,584.99, 753,971.54 and 328,642.28 is: 453,336.50
Step by Step Solution
- Step 1: Write the proportion equation
546,584.99 : 753,971.54 = 328,642.28 : x - Step 2: Convert to fraction form
546,584.99/753,971.54 = 328,642.28/x - Step 3: Cross multiply
546,584.99x = 753,971.54 × 328,642.28 - Step 4: Simplify right side
546,584.99x = 247,786,928,679.76 - Step 5: Solve for x
x = 247,786,928,679.76/546,584.99 - Step 6: Final answer
x = 453,336.50
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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.