Finding the Fourth Proportional to 808,314.18, 1,212,880.05 and 538,625.94
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Solution
The fourth proportional to 808,314.18, 1,212,880.05 and 538,625.94 is: 808,211.30
Step by Step Solution
- Step 1: Write the proportion equation
808,314.18 : 1,212,880.05 = 538,625.94 : x - Step 2: Convert to fraction form
808,314.18/1,212,880.05 = 538,625.94/x - Step 3: Cross multiply
808,314.18x = 1,212,880.05 × 538,625.94 - Step 4: Simplify right side
808,314.18x = 653,288,657,038.50 - Step 5: Solve for x
x = 653,288,657,038.50/808,314.18 - Step 6: Final answer
x = 808,211.30
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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.