Finding the Fourth Proportional to 943,075.48, 1,301,391.18 and 513,329.98
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Solution
The fourth proportional to 943,075.48, 1,301,391.18 and 513,329.98 is: 708,366.53
Step by Step Solution
- Step 1: Write the proportion equation
943,075.48 : 1,301,391.18 = 513,329.98 : x - Step 2: Convert to fraction form
943,075.48/1,301,391.18 = 513,329.98/x - Step 3: Cross multiply
943,075.48x = 1,301,391.18 × 513,329.98 - Step 4: Simplify right side
943,075.48x = 668,043,108,401.58 - Step 5: Solve for x
x = 668,043,108,401.58/943,075.48 - Step 6: Final answer
x = 708,366.53
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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.