Finding the Fourth Proportional to 626,554.87, 864,646.70 and 340,075.08
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Solution
The fourth proportional to 626,554.87, 864,646.70 and 340,075.08 is: 469,304.15
Step by Step Solution
- Step 1: Write the proportion equation
626,554.87 : 864,646.70 = 340,075.08 : x - Step 2: Convert to fraction form
626,554.87/864,646.70 = 340,075.08/x - Step 3: Cross multiply
626,554.87x = 864,646.70 × 340,075.08 - Step 4: Simplify right side
626,554.87x = 294,044,798,686.04 - Step 5: Solve for x
x = 294,044,798,686.04/626,554.87 - Step 6: Final answer
x = 469,304.15
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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.