Finding the Fourth Proportional to 817,240.28, 1,226,212.98 and 311,952.97
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Solution
The fourth proportional to 817,240.28, 1,226,212.98 and 311,952.97 is: 468,064.02
Step by Step Solution
- Step 1: Write the proportion equation
817,240.28 : 1,226,212.98 = 311,952.97 : x - Step 2: Convert to fraction form
817,240.28/1,226,212.98 = 311,952.97/x - Step 3: Cross multiply
817,240.28x = 1,226,212.98 × 311,952.97 - Step 4: Simplify right side
817,240.28x = 382,520,773,272.72 - Step 5: Solve for x
x = 382,520,773,272.72/817,240.28 - Step 6: Final answer
x = 468,064.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.