Finding the Fourth Proportional to 684,338.10, 1,026,515.25 and 414,525.08
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Solution
The fourth proportional to 684,338.10, 1,026,515.25 and 414,525.08 is: 621,792.52
Step by Step Solution
- Step 1: Write the proportion equation
684,338.10 : 1,026,515.25 = 414,525.08 : x - Step 2: Convert to fraction form
684,338.10/1,026,515.25 = 414,525.08/x - Step 3: Cross multiply
684,338.10x = 1,026,515.25 × 414,525.08 - Step 4: Simplify right side
684,338.10x = 425,516,310,994.89 - Step 5: Solve for x
x = 425,516,310,994.89/684,338.10 - Step 6: Final answer
x = 621,792.52
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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.