Finding the Fourth Proportional to 890,875.49, 1,230,423.09 and 603,897.35
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Solution
The fourth proportional to 890,875.49, 1,230,423.09 and 603,897.35 is: 834,066.32
Step by Step Solution
- Step 1: Write the proportion equation
890,875.49 : 1,230,423.09 = 603,897.35 : x - Step 2: Convert to fraction form
890,875.49/1,230,423.09 = 603,897.35/x - Step 3: Cross multiply
890,875.49x = 1,230,423.09 × 603,897.35 - Step 4: Simplify right side
890,875.49x = 743,049,241,934.21 - Step 5: Solve for x
x = 743,049,241,934.21/890,875.49 - Step 6: Final answer
x = 834,066.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.