Finding the Fourth Proportional to 1,476,809.96, 2,215,214.71 and 354,878.96
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Solution
The fourth proportional to 1,476,809.96, 2,215,214.71 and 354,878.96 is: 532,318.38
Step by Step Solution
- Step 1: Write the proportion equation
1,476,809.96 : 2,215,214.71 = 354,878.96 : x - Step 2: Convert to fraction form
1,476,809.96/2,215,214.71 = 354,878.96/x - Step 3: Cross multiply
1,476,809.96x = 2,215,214.71 × 354,878.96 - Step 4: Simplify right side
1,476,809.96x = 786,133,092,461.50 - Step 5: Solve for x
x = 786,133,092,461.50/1,476,809.96 - Step 6: Final answer
x = 532,318.38
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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.