Finding the Fourth Proportional to 880,845.45, 1,321,367.99 and 790,332.08
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Solution
The fourth proportional to 880,845.45, 1,321,367.99 and 790,332.08 is: 1,185,587.67
Step by Step Solution
- Step 1: Write the proportion equation
880,845.45 : 1,321,367.99 = 790,332.08 : x - Step 2: Convert to fraction form
880,845.45/1,321,367.99 = 790,332.08/x - Step 3: Cross multiply
880,845.45x = 1,321,367.99 × 790,332.08 - Step 4: Simplify right side
880,845.45x = 1,044,319,501,423.62 - Step 5: Solve for x
x = 1,044,319,501,423.62/880,845.45 - Step 6: Final answer
x = 1,185,587.67
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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.