Finding the Fourth Proportional to 466,479.08, 643,939.76 and 313,605.94
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Solution
The fourth proportional to 466,479.08, 643,939.76 and 313,605.94 is: 432,909.72
Step by Step Solution
- Step 1: Write the proportion equation
466,479.08 : 643,939.76 = 313,605.94 : x - Step 2: Convert to fraction form
466,479.08/643,939.76 = 313,605.94/x - Step 3: Cross multiply
466,479.08x = 643,939.76 × 313,605.94 - Step 4: Simplify right side
466,479.08x = 201,943,330,544.61 - Step 5: Solve for x
x = 201,943,330,544.61/466,479.08 - Step 6: Final answer
x = 432,909.72
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.