Finding the Fourth Proportional to 801,744.95, 1,106,368.72 and 439,170.42
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Solution
The fourth proportional to 801,744.95, 1,106,368.72 and 439,170.42 is: 606,033.65
Step by Step Solution
- Step 1: Write the proportion equation
801,744.95 : 1,106,368.72 = 439,170.42 : x - Step 2: Convert to fraction form
801,744.95/1,106,368.72 = 439,170.42/x - Step 3: Cross multiply
801,744.95x = 1,106,368.72 × 439,170.42 - Step 4: Simplify right side
801,744.95x = 485,884,418,488.22 - Step 5: Solve for x
x = 485,884,418,488.22/801,744.95 - Step 6: Final answer
x = 606,033.65
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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.