Finding the Fourth Proportional to 817,476.48, 1,226,422.08 and 256,515.84
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Solution
The fourth proportional to 817,476.48, 1,226,422.08 and 256,515.84 is: 384,838.83
Step by Step Solution
- Step 1: Write the proportion equation
817,476.48 : 1,226,422.08 = 256,515.84 : x - Step 2: Convert to fraction form
817,476.48/1,226,422.08 = 256,515.84/x - Step 3: Cross multiply
817,476.48x = 1,226,422.08 × 256,515.84 - Step 4: Simplify right side
817,476.48x = 314,596,690,045.75 - Step 5: Solve for x
x = 314,596,690,045.75/817,476.48 - Step 6: Final answer
x = 384,838.83
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.