Finding the Fourth Proportional to 810,924.84, 1,118,961.90 and 466,629.84
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Solution
The fourth proportional to 810,924.84, 1,118,961.90 and 466,629.84 is: 643,883.36
Step by Step Solution
- Step 1: Write the proportion equation
810,924.84 : 1,118,961.90 = 466,629.84 : x - Step 2: Convert to fraction form
810,924.84/1,118,961.90 = 466,629.84/x - Step 3: Cross multiply
810,924.84x = 1,118,961.90 × 466,629.84 - Step 4: Simplify right side
810,924.84x = 522,141,012,363.10 - Step 5: Solve for x
x = 522,141,012,363.10/810,924.84 - Step 6: Final answer
x = 643,883.36
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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.