Finding the Fourth Proportional to 700,363.68, 966,505.82 and 398,557.68
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Solution
The fourth proportional to 700,363.68, 966,505.82 and 398,557.68 is: 550,011.84
Step by Step Solution
- Step 1: Write the proportion equation
700,363.68 : 966,505.82 = 398,557.68 : x - Step 2: Convert to fraction form
700,363.68/966,505.82 = 398,557.68/x - Step 3: Cross multiply
700,363.68x = 966,505.82 × 398,557.68 - Step 4: Simplify right side
700,363.68x = 385,208,315,332.91 - Step 5: Solve for x
x = 385,208,315,332.91/700,363.68 - Step 6: Final answer
x = 550,011.84
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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.