Finding the Fourth Proportional to 963,900.70, 1,330,329.48 and 615,191.62
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Solution
The fourth proportional to 963,900.70, 1,330,329.48 and 615,191.62 is: 849,057.95
Step by Step Solution
- Step 1: Write the proportion equation
963,900.70 : 1,330,329.48 = 615,191.62 : x - Step 2: Convert to fraction form
963,900.70/1,330,329.48 = 615,191.62/x - Step 3: Cross multiply
963,900.70x = 1,330,329.48 × 615,191.62 - Step 4: Simplify right side
963,900.70x = 818,407,547,934.96 - Step 5: Solve for x
x = 818,407,547,934.96/963,900.70 - Step 6: Final answer
x = 849,057.95
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1.5x scale
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.