Finding the Fourth Proportional to 965,463.84, 1,448,341.56 and 358,449.84
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Solution
The fourth proportional to 965,463.84, 1,448,341.56 and 358,449.84 is: 537,728.89
Step by Step Solution
- Step 1: Write the proportion equation
965,463.84 : 1,448,341.56 = 358,449.84 : x - Step 2: Convert to fraction form
965,463.84/1,448,341.56 = 358,449.84/x - Step 3: Cross multiply
965,463.84x = 1,448,341.56 × 358,449.84 - Step 4: Simplify right side
965,463.84x = 519,157,800,447.35 - Step 5: Solve for x
x = 519,157,800,447.35/965,463.84 - Step 6: Final answer
x = 537,728.89
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1.5x scale
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.