Finding the Fourth Proportional to 817,377.84, 1,226,065.68 and 256,456.08
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Solution
The fourth proportional to 817,377.84, 1,226,065.68 and 256,456.08 is: 384,683.78
Step by Step Solution
- Step 1: Write the proportion equation
817,377.84 : 1,226,065.68 = 256,456.08 : x - Step 2: Convert to fraction form
817,377.84/1,226,065.68 = 256,456.08/x - Step 3: Cross multiply
817,377.84x = 1,226,065.68 × 256,456.08 - Step 4: Simplify right side
817,377.84x = 314,431,998,115.33 - Step 5: Solve for x
x = 314,431,998,115.33/817,377.84 - Step 6: Final answer
x = 384,683.78
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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.