Finding the Fourth Proportional to 808,539.10, 1,212,808.65 and 275,931.70
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Solution
The fourth proportional to 808,539.10, 1,212,808.65 and 275,931.70 is: 413,897.55
Step by Step Solution
- Step 1: Write the proportion equation
808,539.10 : 1,212,808.65 = 275,931.70 : x - Step 2: Convert to fraction form
808,539.10/1,212,808.65 = 275,931.70/x - Step 3: Cross multiply
808,539.10x = 1,212,808.65 × 275,931.70 - Step 4: Simplify right side
808,539.10x = 334,652,352,569.21 - Step 5: Solve for x
x = 334,652,352,569.21/808,539.10 - Step 6: Final answer
x = 413,897.55
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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.