Finding the Fourth Proportional to 963,819.84, 1,331,161.92 and 657,373.44
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Solution
The fourth proportional to 963,819.84, 1,331,161.92 and 657,373.44 is: 907,919.15
Step by Step Solution
- Step 1: Write the proportion equation
963,819.84 : 1,331,161.92 = 657,373.44 : x - Step 2: Convert to fraction form
963,819.84/1,331,161.92 = 657,373.44/x - Step 3: Cross multiply
963,819.84x = 1,331,161.92 × 657,373.44 - Step 4: Simplify right side
963,819.84x = 875,070,490,547.41 - Step 5: Solve for x
x = 875,070,490,547.41/963,819.84 - Step 6: Final answer
x = 907,919.15
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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.