Finding the Fourth Proportional to 557,332.01, 769,122.69 and 302,685.02
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Solution
The fourth proportional to 557,332.01, 769,122.69 and 302,685.02 is: 417,707.78
Step by Step Solution
- Step 1: Write the proportion equation
557,332.01 : 769,122.69 = 302,685.02 : x - Step 2: Convert to fraction form
557,332.01/769,122.69 = 302,685.02/x - Step 3: Cross multiply
557,332.01x = 769,122.69 × 302,685.02 - Step 4: Simplify right side
557,332.01x = 232,801,916,411.24 - Step 5: Solve for x
x = 232,801,916,411.24/557,332.01 - Step 6: Final answer
x = 417,707.78
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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.