Finding the Fourth Proportional to 821,235.74, 1,125,074.05 and 790,533.45
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Solution
The fourth proportional to 821,235.74, 1,125,074.05 and 790,533.45 is: 1,083,012.62
Step by Step Solution
- Step 1: Write the proportion equation
821,235.74 : 1,125,074.05 = 790,533.45 : x - Step 2: Convert to fraction form
821,235.74/1,125,074.05 = 790,533.45/x - Step 3: Cross multiply
821,235.74x = 1,125,074.05 × 790,533.45 - Step 4: Simplify right side
821,235.74x = 889,408,668,275.64 - Step 5: Solve for x
x = 889,408,668,275.64/821,235.74 - Step 6: Final answer
x = 1,083,012.62
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.