Finding the Fourth Proportional to 606,408.60, 909,029.70 and 471,397.80
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Solution
The fourth proportional to 606,408.60, 909,029.70 and 471,397.80 is: 706,643.34
Step by Step Solution
- Step 1: Write the proportion equation
606,408.60 : 909,029.70 = 471,397.80 : x - Step 2: Convert to fraction form
606,408.60/909,029.70 = 471,397.80/x - Step 3: Cross multiply
606,408.60x = 909,029.70 × 471,397.80 - Step 4: Simplify right side
606,408.60x = 428,514,600,714.66 - Step 5: Solve for x
x = 428,514,600,714.66/606,408.60 - Step 6: Final answer
x = 706,643.34
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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.