Finding the Fourth Proportional to 771,216.23, 1,065,386.96 and 615,963.68
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Solution
The fourth proportional to 771,216.23, 1,065,386.96 and 615,963.68 is: 850,915.27
Step by Step Solution
- Step 1: Write the proportion equation
771,216.23 : 1,065,386.96 = 615,963.68 : x - Step 2: Convert to fraction form
771,216.23/1,065,386.96 = 615,963.68/x - Step 3: Cross multiply
771,216.23x = 1,065,386.96 × 615,963.68 - Step 4: Simplify right side
771,216.23x = 656,239,668,302.24 - Step 5: Solve for x
x = 656,239,668,302.24/771,216.23 - Step 6: Final answer
x = 850,915.27
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.