Finding the Fourth Proportional to 597,029.29, 823,690.26 and 390,418.65
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Solution
The fourth proportional to 597,029.29, 823,690.26 and 390,418.65 is: 538,640.31
Step by Step Solution
- Step 1: Write the proportion equation
597,029.29 : 823,690.26 = 390,418.65 : x - Step 2: Convert to fraction form
597,029.29/823,690.26 = 390,418.65/x - Step 3: Cross multiply
597,029.29x = 823,690.26 × 390,418.65 - Step 4: Simplify right side
597,029.29x = 321,584,039,327.35 - Step 5: Solve for x
x = 321,584,039,327.35/597,029.29 - Step 6: Final answer
x = 538,640.31
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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.