Finding the Fourth Proportional to 798,780.26, 1,102,459.14 and 472,079.93
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Solution
The fourth proportional to 798,780.26, 1,102,459.14 and 472,079.93 is: 651,554.45
Step by Step Solution
- Step 1: Write the proportion equation
798,780.26 : 1,102,459.14 = 472,079.93 : x - Step 2: Convert to fraction form
798,780.26/1,102,459.14 = 472,079.93/x - Step 3: Cross multiply
798,780.26x = 1,102,459.14 × 472,079.93 - Step 4: Simplify right side
798,780.26x = 520,448,833,639.06 - Step 5: Solve for x
x = 520,448,833,639.06/798,780.26 - Step 6: Final answer
x = 651,554.45
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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.