Finding the Fourth Proportional to 497,408.70, 744,525.45 and 392,432.70
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Solution
The fourth proportional to 497,408.70, 744,525.45 and 392,432.70 is: 587,396.51
Step by Step Solution
- Step 1: Write the proportion equation
497,408.70 : 744,525.45 = 392,432.70 : x - Step 2: Convert to fraction form
497,408.70/744,525.45 = 392,432.70/x - Step 3: Cross multiply
497,408.70x = 744,525.45 × 392,432.70 - Step 4: Simplify right side
497,408.70x = 292,176,132,562.22 - Step 5: Solve for x
x = 292,176,132,562.22/497,408.70 - Step 6: Final answer
x = 587,396.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.