Finding the Fourth Proportional to 517,823.05, 714,544.73 and 288,401.74
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Solution
The fourth proportional to 517,823.05, 714,544.73 and 288,401.74 is: 397,965.95
Step by Step Solution
- Step 1: Write the proportion equation
517,823.05 : 714,544.73 = 288,401.74 : x - Step 2: Convert to fraction form
517,823.05/714,544.73 = 288,401.74/x - Step 3: Cross multiply
517,823.05x = 714,544.73 × 288,401.74 - Step 4: Simplify right side
517,823.05x = 206,075,942,897.06 - Step 5: Solve for x
x = 206,075,942,897.06/517,823.05 - Step 6: Final answer
x = 397,965.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.