Finding the Fourth Proportional to 998,587.98, 1,378,075.68 and 606,125.36
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Solution
The fourth proportional to 998,587.98, 1,378,075.68 and 606,125.36 is: 836,467.73
Step by Step Solution
- Step 1: Write the proportion equation
998,587.98 : 1,378,075.68 = 606,125.36 : x - Step 2: Convert to fraction form
998,587.98/1,378,075.68 = 606,125.36/x - Step 3: Cross multiply
998,587.98x = 1,378,075.68 × 606,125.36 - Step 4: Simplify right side
998,587.98x = 835,286,621,092.43 - Step 5: Solve for x
x = 835,286,621,092.43/998,587.98 - Step 6: Final answer
x = 836,467.73
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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.