Finding the Fourth Proportional to 905,649.60, 1,249,408.80 and 565,527.36
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Solution
The fourth proportional to 905,649.60, 1,249,408.80 and 565,527.36 is: 780,185.69
Step by Step Solution
- Step 1: Write the proportion equation
905,649.60 : 1,249,408.80 = 565,527.36 : x - Step 2: Convert to fraction form
905,649.60/1,249,408.80 = 565,527.36/x - Step 3: Cross multiply
905,649.60x = 1,249,408.80 × 565,527.36 - Step 4: Simplify right side
905,649.60x = 706,574,860,224.77 - Step 5: Solve for x
x = 706,574,860,224.77/905,649.60 - Step 6: Final answer
x = 780,185.69
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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.