Finding the Fourth Proportional to 432,484.44, 597,109.34 and 387,083.68
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Solution
The fourth proportional to 432,484.44, 597,109.34 and 387,083.68 is: 534,426.81
Step by Step Solution
- Step 1: Write the proportion equation
432,484.44 : 597,109.34 = 387,083.68 : x - Step 2: Convert to fraction form
432,484.44/597,109.34 = 387,083.68/x - Step 3: Cross multiply
432,484.44x = 597,109.34 × 387,083.68 - Step 4: Simplify right side
432,484.44x = 231,131,280,689.57 - Step 5: Solve for x
x = 231,131,280,689.57/432,484.44 - Step 6: Final answer
x = 534,426.81
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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.