Finding the Fourth Proportional to 615,298.74, 922,943.97 and 331,122.99
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Solution
The fourth proportional to 615,298.74, 922,943.97 and 331,122.99 is: 496,682.26
Step by Step Solution
- Step 1: Write the proportion equation
615,298.74 : 922,943.97 = 331,122.99 : x - Step 2: Convert to fraction form
615,298.74/922,943.97 = 331,122.99/x - Step 3: Cross multiply
615,298.74x = 922,943.97 × 331,122.99 - Step 4: Simplify right side
615,298.74x = 305,607,966,948.87 - Step 5: Solve for x
x = 305,607,966,948.87/615,298.74 - Step 6: Final answer
x = 496,682.26
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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.