Finding the Fourth Proportional to 606,430.60, 909,062.70 and 471,419.80
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Solution
The fourth proportional to 606,430.60, 909,062.70 and 471,419.80 is: 706,676.34
Step by Step Solution
- Step 1: Write the proportion equation
606,430.60 : 909,062.70 = 471,419.80 : x - Step 2: Convert to fraction form
606,430.60/909,062.70 = 471,419.80/x - Step 3: Cross multiply
606,430.60x = 909,062.70 × 471,419.80 - Step 4: Simplify right side
606,430.60x = 428,550,156,221.46 - Step 5: Solve for x
x = 428,550,156,221.46/606,430.60 - Step 6: Final answer
x = 706,676.34
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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.