Finding the Fourth Proportional to 615,829.13, 849,795.21 and 343,880.79
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Solution
The fourth proportional to 615,829.13, 849,795.21 and 343,880.79 is: 474,528.14
Step by Step Solution
- Step 1: Write the proportion equation
615,829.13 : 849,795.21 = 343,880.79 : x - Step 2: Convert to fraction form
615,829.13/849,795.21 = 343,880.79/x - Step 3: Cross multiply
615,829.13x = 849,795.21 × 343,880.79 - Step 4: Simplify right side
615,829.13x = 292,228,248,153.02 - Step 5: Solve for x
x = 292,228,248,153.02/615,829.13 - Step 6: Final answer
x = 474,528.14
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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.