Finding the Fourth Proportional to 723,173.68, 997,874.56 and 400,883.52
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Solution
The fourth proportional to 723,173.68, 997,874.56 and 400,883.52 is: 553,160.99
Step by Step Solution
- Step 1: Write the proportion equation
723,173.68 : 997,874.56 = 400,883.52 : x - Step 2: Convert to fraction form
723,173.68/997,874.56 = 400,883.52/x - Step 3: Cross multiply
723,173.68x = 997,874.56 × 400,883.52 - Step 4: Simplify right side
723,173.68x = 400,031,466,131.25 - Step 5: Solve for x
x = 400,031,466,131.25/723,173.68 - Step 6: Final answer
x = 553,160.99
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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.