Finding the Fourth Proportional to 519,085.36, 716,340.00 and 289,652.66
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Solution
The fourth proportional to 519,085.36, 716,340.00 and 289,652.66 is: 399,721.90
Step by Step Solution
- Step 1: Write the proportion equation
519,085.36 : 716,340.00 = 289,652.66 : x - Step 2: Convert to fraction form
519,085.36/716,340.00 = 289,652.66/x - Step 3: Cross multiply
519,085.36x = 716,340.00 × 289,652.66 - Step 4: Simplify right side
519,085.36x = 207,489,786,655.17 - Step 5: Solve for x
x = 207,489,786,655.17/519,085.36 - Step 6: Final answer
x = 399,721.90
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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.