Finding the Fourth Proportional to 716,977.46, 1,075,461.40 and 290,506.99
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Solution
The fourth proportional to 716,977.46, 1,075,461.40 and 290,506.99 is: 435,758.54
Step by Step Solution
- Step 1: Write the proportion equation
716,977.46 : 1,075,461.40 = 290,506.99 : x - Step 2: Convert to fraction form
716,977.46/1,075,461.40 = 290,506.99/x - Step 3: Cross multiply
716,977.46x = 1,075,461.40 × 290,506.99 - Step 4: Simplify right side
716,977.46x = 312,429,054,175.19 - Step 5: Solve for x
x = 312,429,054,175.19/716,977.46 - Step 6: Final answer
x = 435,758.54
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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.