Finding the Fourth Proportional to 811,403.57, 1,113,873.42 and 696,482.71
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Solution
The fourth proportional to 811,403.57, 1,113,873.42 and 696,482.71 is: 956,113.09
Step by Step Solution
- Step 1: Write the proportion equation
811,403.57 : 1,113,873.42 = 696,482.71 : x - Step 2: Convert to fraction form
811,403.57/1,113,873.42 = 696,482.71/x - Step 3: Cross multiply
811,403.57x = 1,113,873.42 × 696,482.71 - Step 4: Simplify right side
811,403.57x = 775,793,574,067.98 - Step 5: Solve for x
x = 775,793,574,067.98/811,403.57 - Step 6: Final answer
x = 956,113.09
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.