Finding the Fourth Proportional to 880,648.68, 1,215,295.08 and 498,675.36
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Solution
The fourth proportional to 880,648.68, 1,215,295.08 and 498,675.36 is: 688,171.94
Step by Step Solution
- Step 1: Write the proportion equation
880,648.68 : 1,215,295.08 = 498,675.36 : x - Step 2: Convert to fraction form
880,648.68/1,215,295.08 = 498,675.36/x - Step 3: Cross multiply
880,648.68x = 1,215,295.08 × 498,675.36 - Step 4: Simplify right side
880,648.68x = 606,037,711,525.23 - Step 5: Solve for x
x = 606,037,711,525.23/880,648.68 - Step 6: Final answer
x = 688,171.94
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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.