Finding the Fourth Proportional to 887,555.10, 1,330,603.65 and 382,503.90
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Solution
The fourth proportional to 887,555.10, 1,330,603.65 and 382,503.90 is: 573,441.68
Step by Step Solution
- Step 1: Write the proportion equation
887,555.10 : 1,330,603.65 = 382,503.90 : x - Step 2: Convert to fraction form
887,555.10/1,330,603.65 = 382,503.90/x - Step 3: Cross multiply
887,555.10x = 1,330,603.65 × 382,503.90 - Step 4: Simplify right side
887,555.10x = 508,961,085,479.24 - Step 5: Solve for x
x = 508,961,085,479.24/887,555.10 - Step 6: Final answer
x = 573,441.68
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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.